diff --git a/backend/src/main/java/de/champonthis/buntspecht/controller/validation/PasswordModelValidator.java b/backend/src/main/java/de/champonthis/buntspecht/controller/validation/PasswordModelValidator.java
index 03f2b10..e498f80 100644
--- a/backend/src/main/java/de/champonthis/buntspecht/controller/validation/PasswordModelValidator.java
+++ b/backend/src/main/java/de/champonthis/buntspecht/controller/validation/PasswordModelValidator.java
@@ -28,6 +28,7 @@ public class PasswordModelValidator implements Validator {
 
     public static final String SYSTEM_PROPERTY_PASSWORD_RULE_WHITESPACE = "password.rule.whitespace";
     public static final String SYSTEM_PROPERTY_PASSWORD_RULE_LENGTH = "password.rule.length";
+    public static final String SYSTEM_PROPERTY_PASSWORD_RULE_LOWERCASE = "password.rule.lowercase";
     public static final String SYSTEM_PROPERTY_PASSWORD_RULE_UPPERCASE = "password.rule.uppercase";
     public static final String SYSTEM_PROPERTY_PASSWORD_RULE_DIGIT = "password.rule.digit";
     public static final String SYSTEM_PROPERTY_PASSWORD_RULE_SPECIAL = "password.rule.special";
@@ -52,6 +53,11 @@ public class PasswordModelValidator implements Validator {
             rules.add(new LengthRule(length, 4096));
         }
 
+        int lowercase = systemPropertyManager.getInteger(SYSTEM_PROPERTY_PASSWORD_RULE_LOWERCASE, 1);
+        if (lowercase > 0) {
+            rules.add(new CharacterRule(EnglishCharacterData.LowerCase, lowercase));
+        }
+
         int uppercase = systemPropertyManager.getInteger(SYSTEM_PROPERTY_PASSWORD_RULE_UPPERCASE, 1);
         if (uppercase > 0) {
             rules.add(new CharacterRule(EnglishCharacterData.UpperCase, uppercase));
@@ -73,7 +79,7 @@ public class PasswordModelValidator implements Validator {
 
         if (!result.isValid()) {
             for (RuleResultDetail ruleResultDetail : result.getDetails()) {
-                errors.rejectValue("password", ruleResultDetail.getErrorCode());
+                errors.rejectValue("password", ruleResultDetail.getErrorCode(), ruleResultDetail.getValues(), null);
             }
         }
 
diff --git a/backend/src/main/java/de/champonthis/buntspecht/controller/validation/TurnoverValidator.java b/backend/src/main/java/de/champonthis/buntspecht/controller/validation/TurnoverValidator.java
index baf1727..2ae38b0 100644
--- a/backend/src/main/java/de/champonthis/buntspecht/controller/validation/TurnoverValidator.java
+++ b/backend/src/main/java/de/champonthis/buntspecht/controller/validation/TurnoverValidator.java
@@ -32,11 +32,11 @@ public class TurnoverValidator implements Validator {
         }
 
         if (turnover.getPrice() < 0) {
-            errors.rejectValue("price", "POSITIVE_VALUE");
+            errors.rejectValue("price", "MIN");
         }
 
         if (turnover.getGiftcardPrice() != null && turnover.getGiftcardPrice() < 0) {
-            errors.rejectValue("giftcardPrice", "POSITIVE_VALUE");
+            errors.rejectValue("giftcardPrice", "MIN");
         } else if (turnover.getGiftcardPrice() != null && turnover.getGiftcardPrice() > turnover.getPrice()) {
             errors.rejectValue("giftcardPrice", "GREATER_THAN_PRICE");
         }
diff --git a/frontend/src/app/app.module.ts b/frontend/src/app/app.module.ts
index 1e83a72..daac779 100644
--- a/frontend/src/app/app.module.ts
+++ b/frontend/src/app/app.module.ts
@@ -19,7 +19,7 @@ import { PageNotFound } from './pages/notfound/notfound.page';
 import { PageProfile } from './pages/profile/profile.page';
 import { PageUnavailable } from './pages/unavailable/unavailable.page';
 import { UiMain } from './ui/main/main.ui';
-import { I18nEmptyPipe, I18nPipe } from './utils/i18n.pipe';
+import { ErrorCodePipe, I18nEmptyPipe, I18nPipe } from './utils/i18n.pipe';
 import { MomentPipe } from './utils/moment.pipe';
 
 import { MAT_FORM_FIELD_DEFAULT_OPTIONS } from '@angular/material/form-field';
@@ -66,32 +66,33 @@ export class XhrInterceptor implements HttpInterceptor {
 
 @NgModule({
   declarations: [
+    AppComponent,
     AutofocusDirective,
+    ConfirmDialog,
+    ErrorCodePipe,
     I18nPipe,
     I18nEmptyPipe,
     MomentPipe,
-    AppComponent,
-    PageTurnovers,
-    PageTurnoversManage,
-    PageTurnover,
     PageLogin,
     PageManagement,
     PageNotFound,
     PagePassword,
     PageProfile,
+    PageTurnover,
+    PageTurnovers,
+    PageTurnoversManage,
     PageUnavailable,
     PageUsers,
     PageUserCreate,
     UiMain,
-    UiTurnovers,
-    ConfirmDialog
+    UiTurnovers
   ],
   imports: [
-    BrowserModule,
     AppRoutingModule,
+    BrowserModule,
     BrowserAnimationsModule,
-    MaterialModule,
     FormsModule,
+    MaterialModule,
     ReactiveFormsModule,
     ServiceWorkerModule.register('ngsw-worker.js', { enabled: environment.production, registrationStrategy: 'registerWhenStable:30000' }),
   ],
diff --git a/frontend/src/app/pages/password/password.page.html b/frontend/src/app/pages/password/password.page.html
index 5ded0ad..7c2acc9 100644
--- a/frontend/src/app/pages/password/password.page.html
+++ b/frontend/src/app/pages/password/password.page.html
@@ -7,21 +7,21 @@
           <mat-label>{{'password.old' | i18n}}</mat-label>
           <input matInput formControlName="old" type="password">
           <mat-error *ngFor="let error of passwordForm.get('old').errors | keyvalue">
-            {{'password.error.' + error.key | i18n}}
+            {{'password.error.' + (error.key | errorCode) | i18n:error.value}}
           </mat-error>
         </mat-form-field>
         <mat-form-field>
           <mat-label>{{'password.new' | i18n}}</mat-label>
           <input matInput formControlName="password" type="password">
           <mat-error *ngFor="let error of passwordForm.get('password').errors | keyvalue">
-            {{'password.error.' + error.key | i18n}}
+            {{'password.error.' + (error.key | errorCode) | i18n:error.value}}
           </mat-error>
         </mat-form-field>
         <mat-form-field>
           <mat-label>{{'password.repeat' | i18n}}</mat-label>
           <input matInput formControlName="password2" type="password">
           <mat-error *ngFor="let error of passwordForm.get('password2').errors | keyvalue">
-            {{'password.error.' + error.key | i18n}}
+            {{'password.error.' + (error.key | errorCode) | i18n:error.value}}
           </mat-error>
         </mat-form-field>
       </mat-card-content>
diff --git a/frontend/src/app/pages/password/password.page.ts b/frontend/src/app/pages/password/password.page.ts
index dd4d120..3887a77 100644
--- a/frontend/src/app/pages/password/password.page.ts
+++ b/frontend/src/app/pages/password/password.page.ts
@@ -53,9 +53,9 @@ export class PagePassword implements OnInit, OnDestroy {
         this.working = false;
         if (error.status == 409) {
           let errors = {};
-          for (let code of error.error) {
-            errors[code.field] = errors[code.field] || {};
-            errors[code.field][code.code] = true;
+          for (let errorObject of error.error) {
+            errors[errorObject.field] = errors[errorObject.field] || {};
+            errors[errorObject.field][errorObject.code] = errorObject.arguments || true;
           }
 
           for (let code in errors) {
diff --git a/frontend/src/app/pages/profile/profile.page.html b/frontend/src/app/pages/profile/profile.page.html
index 476ac97..11f7b86 100644
--- a/frontend/src/app/pages/profile/profile.page.html
+++ b/frontend/src/app/pages/profile/profile.page.html
@@ -50,14 +50,14 @@
           <mat-label>{{'password.new' | i18n}}</mat-label>
           <input matInput formControlName="password" type="password">
           <mat-error *ngFor="let error of passwordForm.get('password').errors | keyvalue">
-            {{'password.error.' + error.key | i18n}}
+            {{'password.error.' + (error.key | errorCode) | i18n:error.value}}
           </mat-error>
         </mat-form-field>
         <mat-form-field>
           <mat-label>{{'password.repeat' | i18n}}</mat-label>
           <input matInput formControlName="password2" type="password">
           <mat-error *ngFor="let error of passwordForm.get('password2').errors | keyvalue">
-            {{'password.error.' + error.key | i18n}}
+            {{'password.error.' + (error.key | errorCode) | i18n:error.value}}
           </mat-error>
         </mat-form-field>
       </mat-card-content>
diff --git a/frontend/src/app/pages/profile/profile.page.ts b/frontend/src/app/pages/profile/profile.page.ts
index e719bab..a6cece4 100644
--- a/frontend/src/app/pages/profile/profile.page.ts
+++ b/frontend/src/app/pages/profile/profile.page.ts
@@ -108,10 +108,10 @@ export class PageProfile implements OnInit, OnDestroy {
         this.working = false;
         if (error.status == 422) {
           let errors = {};
-          for (let code of error.error) {
-            errors[code.field] = errors[code.field] || {};
-            errors[code.field][code.code] = true;
-          }
+          for (let errorObject of error.error) {
+            errors[errorObject.field] = errors[errorObject.field] || {};
+            errors[errorObject.field][errorObject.code] = errorObject.arguments || true;
+        }
 
           for (let code in errors) {
             this.profileForm.get(code).setErrors(errors[code]);
@@ -138,10 +138,10 @@ export class PageProfile implements OnInit, OnDestroy {
         this.working = false;
         if (error.status == 409) {
           let errors = {};
-          for (let code of error.error) {
-            errors[code.field] = errors[code.field] || {};
-            errors[code.field][code.code] = true;
-          }
+          for (let errorObject of error.error) {
+            errors[errorObject.field] = errors[errorObject.field] || {};
+            errors[errorObject.field][errorObject.code] = errorObject.arguments || true;
+        }
 
           for (let code in errors) {
             this.passwordForm.get(code).setErrors(errors[code]);
diff --git a/frontend/src/app/pages/turnover/turnover.page.html b/frontend/src/app/pages/turnover/turnover.page.html
index 4ececb6..0ac8df6 100644
--- a/frontend/src/app/pages/turnover/turnover.page.html
+++ b/frontend/src/app/pages/turnover/turnover.page.html
@@ -25,7 +25,7 @@
           <mat-label>{{'turnover.customer' | i18n}}</mat-label>
           <input matInput formControlName="customer" type="text" [required]="true">
           <mat-error *ngFor="let error of form.get('customer').errors | keyvalue">
-            {{'turnover.customer.error.' + error.key | i18n}}
+            {{'turnover.customer.error.' + (error.key | errorCode) | i18n:error.value}}
           </mat-error>
         </mat-form-field>
 
@@ -33,7 +33,7 @@
           <mat-label>{{'turnover.motif' | i18n}}</mat-label>
           <input matInput formControlName="motif" type="text" [required]="true">
           <mat-error *ngFor="let error of form.get('motif').errors | keyvalue">
-            {{'turnover.motif.error.' + error.key | i18n}}
+            {{'turnover.motif.error.' + (error.key | errorCode) | i18n:error.value}}
           </mat-error>
         </mat-form-field>
 
@@ -42,7 +42,7 @@
           <input matInput formControlName="price" type="number" min="0" step="0.01" [required]="true">
           <span matTextSuffix>{{'turnover.price.suffix' | i18n}}</span>
           <mat-error *ngFor="let error of form.get('price').errors | keyvalue">
-            {{'turnover.price.error.' + error.key | i18n}}
+            {{'turnover.price.error.' + (error.key | errorCode) | i18n:error.value}}
           </mat-error>
         </mat-form-field>
 
@@ -54,7 +54,7 @@
           <mat-label>{{'turnover.giftcard.number' | i18n}}</mat-label>
           <input matInput formControlName="giftcardNumber" type="text">
           <mat-error *ngFor="let error of form.get('giftcardNumber').errors | keyvalue">
-            {{'turnover.giftcard.number.error.' + error.key | i18n}}
+            {{'turnover.giftcard.number.error.' + (error.key | errorCode) | i18n:error.value}}
           </mat-error>
         </mat-form-field>
 
@@ -63,7 +63,7 @@
           <input matInput formControlName="giftcardPrice" type="number" min="0" step="0.01">
           <span matTextSuffix>{{'turnover.price.suffix' | i18n}}</span>
           <mat-error *ngFor="let error of form.get('giftcardPrice').errors | keyvalue">
-            {{'turnover.giftcard.price.error.' + error.key | i18n}}
+            {{'turnover.giftcard.price.error.' + (error.key | errorCode) | i18n:error.value}}
           </mat-error>
         </mat-form-field>
 
@@ -72,7 +72,7 @@
           <input matInput formControlName="timeInvestment" type="number" min="0" step="0.1">
           <span matTextSuffix>{{'turnover.timeInvestment.suffix' | i18n}}</span>
           <mat-error *ngFor="let error of form.get('timeInvestment').errors | keyvalue">
-            {{'turnover.timeInvestment.error.' + error.key | i18n}}
+            {{'turnover.timeInvestment.error.' + (error.key | errorCode) | i18n:error.value}}
           </mat-error>
         </mat-form-field>
 
@@ -80,7 +80,7 @@
           <mat-label>{{'turnover.remark' | i18n}}</mat-label>
           <textarea matAutosize matAutosizeMinRows="3" matInput formControlName="remark"></textarea>
           <mat-error *ngFor="let error of form.get('remark').errors | keyvalue">
-            {{'turnover.remark.error.' + error.key | i18n}}
+            {{'turnover.remark.error.' + (error.key | errorCode) | i18n:error.value}}
           </mat-error>
         </mat-form-field>
 
@@ -88,7 +88,7 @@
           <mat-label>{{'turnover.materialConsumption' | i18n}}</mat-label>
           <textarea matAutosize matAutosizeMinRows="3" matInput formControlName="materialConsumption"></textarea>
           <mat-error *ngFor="let error of form.get('materialConsumption').errors | keyvalue">
-            {{'turnover.materialConsumption.error.' + error.key | i18n}}
+            {{'turnover.materialConsumption.error.' + (error.key | errorCode) | i18n:error.value}}
           </mat-error>
         </mat-form-field>
 
diff --git a/frontend/src/app/pages/turnover/turnover.page.ts b/frontend/src/app/pages/turnover/turnover.page.ts
index 2b3a5f2..9c4f684 100644
--- a/frontend/src/app/pages/turnover/turnover.page.ts
+++ b/frontend/src/app/pages/turnover/turnover.page.ts
@@ -137,10 +137,10 @@ export class PageTurnover implements OnInit {
         this.working = false;
         if (error.status == 422) {
           let errors = {};
-          for (let code of error.error) {
-            errors[code.field] = errors[code.field] || {};
-            errors[code.field][code.code] = true;
-          }
+          for (let errorObject of error.error) {
+            errors[errorObject.field] = errors[errorObject.field] || {};
+            errors[errorObject.field][errorObject.code] = errorObject.arguments || true;
+        }
 
           for (let code in errors) {
             this.form.get(code).setErrors(errors[code]);
@@ -188,10 +188,10 @@ export class PageTurnover implements OnInit {
         }
         if (error.status == 409) {
           let errors = {};
-          for (let code of error.error) {
-            errors[code.field] = errors[code.field] || {};
-            errors[code.field][code.code] = true;
-          }
+          for (let errorObject of error.error) {
+            errors[errorObject.field] = errors[errorObject.field] || {};
+            errors[errorObject.field][errorObject.code] = errorObject.arguments || true;
+        }
 
           for (let code in errors) {
             this.form.get(code).setErrors(errors[code]);
diff --git a/frontend/src/app/pages/users/create/users.create.page.html b/frontend/src/app/pages/users/create/users.create.page.html
index a64d9d7..54081d2 100644
--- a/frontend/src/app/pages/users/create/users.create.page.html
+++ b/frontend/src/app/pages/users/create/users.create.page.html
@@ -6,7 +6,7 @@
                     <mat-label>{{'profile.username' | i18n}}</mat-label>
                     <input matInput formControlName="username" type="text" [required]="true">
                     <mat-error *ngFor="let error of form.get('username').errors | keyvalue">
-                        {{'user.error.' + error.key | i18n}}
+                        {{'user.error.' + (error.key | errorCode) | i18n:error.value}}
                     </mat-error>
                 </mat-form-field>
 
@@ -14,7 +14,7 @@
                     <mat-label>{{'profile.name' | i18n}}</mat-label>
                     <input matInput formControlName="name" type="text">
                     <mat-error *ngFor="let error of form.get('name').errors | keyvalue">
-                        {{'user.error.' + error.key | i18n}}
+                        {{'user.error.' + (error.key | errorCode) | i18n:error.value}}
                     </mat-error>
                 </mat-form-field>
 
@@ -22,7 +22,7 @@
                     <mat-label>{{'profile.email' | i18n}}</mat-label>
                     <input matInput formControlName="email" type="email">
                     <mat-error *ngFor="let error of form.get('email').errors | keyvalue">
-                        {{'user.error.' + error.key | i18n}}
+                        {{'user.error.' + (error.key | errorCode) | i18n:error.value}}
                     </mat-error>
                 </mat-form-field>
 
@@ -30,7 +30,7 @@
                     <mat-label>{{'user.password' | i18n}}</mat-label>
                     <input matInput formControlName="password" type="password">
                     <mat-error *ngFor="let error of form.get('password').errors | keyvalue">
-                        {{'password.error.' + error.key | i18n}}
+                        {{'password.error.' + (error.key | errorCode) | i18n:error.value}}
                     </mat-error>
                 </mat-form-field>
 
diff --git a/frontend/src/app/pages/users/create/users.create.page.ts b/frontend/src/app/pages/users/create/users.create.page.ts
index dcbe44f..044981e 100644
--- a/frontend/src/app/pages/users/create/users.create.page.ts
+++ b/frontend/src/app/pages/users/create/users.create.page.ts
@@ -52,12 +52,13 @@ export class PageUserCreate implements OnInit {
                         this.working = false;
                         if (error.status == 409) {
                             let errors = {};
-                            for (let code of error.error) {
-                                errors[code.field] = errors[code.field] || {};
-                                errors[code.field][code.code] = true;
+                            for (let errorObject of error.error) {
+                                errors[errorObject.field] = errors[errorObject.field] || {};
+                                errors[errorObject.field][errorObject.code] = errorObject.arguments || true;
                             }
 
                             for (let code in errors) {
+                                console.log(code, errors[code]);
                                 this.form.get(code).setErrors(errors[code]);
                             }
                         }
@@ -68,9 +69,9 @@ export class PageUserCreate implements OnInit {
                 this.working = false;
                 if (error.status == 409) {
                     let errors = {};
-                    for (let code of error.error) {
-                        errors[code.field] = errors[code.field] || {};
-                        errors[code.field][code.code] = true;
+                    for (let errorObject of error.error) {
+                        errors[errorObject.field] = errors[errorObject.field] || {};
+                        errors[errorObject.field][errorObject.code] = errorObject.arguments || true;
                     }
 
                     for (let code in errors) {
diff --git a/frontend/src/app/ui/main/main.ui.ts b/frontend/src/app/ui/main/main.ui.ts
index 44ca97c..664cdc9 100644
--- a/frontend/src/app/ui/main/main.ui.ts
+++ b/frontend/src/app/ui/main/main.ui.ts
@@ -22,8 +22,8 @@ export class UiMain {
   opened: boolean = true;
   darkTheme: boolean = false;
   title = 'buntspecht';
-  currentLocale: String;
-  datetimeformat: String;
+  currentLocale: string;
+  datetimeformat: string;
   locales;
   authenticated: boolean = false;
   username: string = "";
diff --git a/frontend/src/app/utils/i18n.pipe.ts b/frontend/src/app/utils/i18n.pipe.ts
index 516a63d..86da1f1 100644
--- a/frontend/src/app/utils/i18n.pipe.ts
+++ b/frontend/src/app/utils/i18n.pipe.ts
@@ -12,7 +12,10 @@ export class I18nPipe implements PipeTransform {
     constructor(private i18n: I18nService) {
     }
 
-    transform(value: String, ...args: any[]): String {
+    transform(value: string, ...args: any[]): string {
+        if (args.length === 1 && Array.isArray(args[0])) {
+            args = args[0];
+        }
         return this.i18n.get(value, args);
     }
 }
@@ -25,7 +28,17 @@ export class I18nEmptyPipe implements PipeTransform {
     constructor(private i18n: I18nService) {
     }
 
-    transform(value: String, ...args: any[]): String {
+    transform(value: string, ...args: any[]): string {
         return this.i18n.getEmpty(value, args);
     }
+}
+
+@Pipe({
+    name: 'errorCode'
+})
+export class ErrorCodePipe implements PipeTransform {
+
+    transform(value: string): string {
+        return value && value.toUpperCase().replaceAll('-', '_') || value;
+    }
 }
\ No newline at end of file
diff --git a/frontend/src/assets/i18n/de-informal.json b/frontend/src/assets/i18n/de-informal.json
index 7f4a631..6a93dd7 100644
--- a/frontend/src/assets/i18n/de-informal.json
+++ b/frontend/src/assets/i18n/de-informal.json
@@ -63,12 +63,12 @@
 		".": "Passwort ändern",
 		"error": {
 			"ILLEGAL_WHITESPACE": "Bitte keine Leerzeichen verwenden.",
-			"INSUFFICIENT_DIGIT": "Bitte mindestens eine Zahl eingeben.",
-			"INSUFFICIENT_LOWERCASE": "Bitte mindestens einen Kleinbuchstaben eingeben.",
-			"INSUFFICIENT_SPECIAL": "Bitte mindestens ein Sonderzeichen eingeben.",
-			"INSUFFICIENT_UPPERCASE": "Bitte mindestens einen Großbuchstaben eingeben.",
+			"INSUFFICIENT_DIGIT": "Bitte mindestens {0} Zahl/en eingeben.",
+			"INSUFFICIENT_LOWERCASE": "Bitte mindestens {0} Kleinbuchstaben eingeben.",
+			"INSUFFICIENT_SPECIAL": "Bitte mindestens {0} Sonderzeichen eingeben.",
+			"INSUFFICIENT_UPPERCASE": "Bitte mindestens {0} Großbuchstaben eingeben.",
 			"NOT_MATCH": "Passwörter stimmen nicht überein.",
-			"TOO_SHORT": "Bitte ein längeres Passwort wählen.",
+			"TOO_SHORT": "Bitte Mindestens {0} Zeichen verwenden.",
 			"UNAUTHORIZED": "Falsches Passwort"
 		},
 		"old": "Altes Password",
@@ -108,7 +108,7 @@
 		"customer": {
 			".": "Kunde",
 			"error": {
-				"required": "Angabe von Kunde erforderlich"
+				"REQUIRED": "Angabe von Kunde erforderlich"
 			}
 		},
 		"dueDate": {
@@ -122,14 +122,13 @@
 		"giftcard": {
 			".": "Gutschein",
 			"number": {
-				".": "Gutscheinnummer",
-				"error": ""
+				".": "Gutscheinnummer"
 			},
 			"price": {
 				".": "Gutscheinwert",
 				"error": {
 					"GREATER_THAN_PRICE": "Gutscheinwert übersteigt Preis",
-					"min": "Üngültiger Wert"
+					"MIN": "Üngültiger Wert"
 				}
 			},
 			"priceUsage": "Gutscheinanteil"
@@ -139,14 +138,14 @@
 		"motif": {
 			".": "Motiv",
 			"error": {
-				"required": "Angabe von Motiv erforderlich"
+				"REQUIRED": "Angabe von Motiv erforderlich"
 			}
 		},
 		"price": {
 			".": "Preis",
 			"error": {
-				"min": "Üngültiger Wert",
-				"required": "Angabe des Preises erforderlich"
+				"MIN": "Üngültiger Wert",
+				"REQUIRED": "Angabe des Preises erforderlich"
 			},
 			"suffix": "€",
 			"total": "Umsatz: {0} €"
@@ -156,7 +155,7 @@
 		"timeInvestment": {
 			".": "Zeiteinsatz",
 			"error": {
-				"min": "Üngültiger Wert"
+				"MIN": "Üngültiger Wert"
 			},
 			"suffix": "Std.",
 			"total": "Zeiteinsatz: {0} Std."
@@ -199,7 +198,8 @@
 		"create": "Neuen User erstellen",
 		"delete": "User löschen",
 		"error": {
-			"ALREADY_EXISTS": "User existiert bereits"
+			"ALREADY_EXISTS": "User existiert bereits",
+			"REQUIRED": "Angabe eines Usernames erforderlich"
 		},
 		"manage": "Verwalten",
 		"password": "Passwort",