diff --git a/src/Squidex/app/features/content/pages/content/content-field.component.ts b/src/Squidex/app/features/content/pages/content/content-field.component.ts
index 2cd05a56a..a8bbd45da 100644
--- a/src/Squidex/app/features/content/pages/content/content-field.component.ts
+++ b/src/Squidex/app/features/content/pages/content/content-field.component.ts
@@ -5,7 +5,7 @@
  * Copyright (c) Sebastian Stehle. All rights reserved
  */
 
-import { ChangeDetectionStrategy, Component, Input, OnInit } from '@angular/core';
+import { Component, Input, OnInit } from '@angular/core';
 import { FormGroup } from '@angular/forms';
 
 import { AppLanguageDto, FieldDto } from 'shared';
@@ -13,8 +13,7 @@ import { AppLanguageDto, FieldDto } from 'shared';
 @Component({
     selector: 'sqx-content-field',
     styleUrls: ['./content-field.component.scss'],
-    templateUrl: './content-field.component.html',
-    changeDetection: ChangeDetectionStrategy.OnPush
+    templateUrl: './content-field.component.html'
 })
 export class ContentFieldComponent implements OnInit {
     @Input()
diff --git a/src/Squidex/app/features/content/pages/content/content-page.component.ts b/src/Squidex/app/features/content/pages/content/content-page.component.ts
index 151b72161..7cd5ca13a 100644
--- a/src/Squidex/app/features/content/pages/content/content-page.component.ts
+++ b/src/Squidex/app/features/content/pages/content/content-page.component.ts
@@ -137,6 +137,8 @@ export class ContentPageComponent extends AppComponentBase implements OnDestroy,
                         this.enable();
                     });
             }
+        } else {
+            this.notifyError('Content element not valid, please check the field with the red bar on the left in all languages (if localizable).');
         }
     }
 
diff --git a/src/Squidex/app/features/content/pages/contents/content-item.component.ts b/src/Squidex/app/features/content/pages/contents/content-item.component.ts
index b38eaf408..04c341632 100644
--- a/src/Squidex/app/features/content/pages/contents/content-item.component.ts
+++ b/src/Squidex/app/features/content/pages/contents/content-item.component.ts
@@ -5,7 +5,7 @@
  * Copyright (c) Sebastian Stehle. All rights reserved
  */
 
-import { ChangeDetectionStrategy, Component, EventEmitter, Input, OnChanges, OnInit, Output } from '@angular/core';
+import { Component, EventEmitter, Input, OnChanges, OnInit, Output } from '@angular/core';
 
 import {
     AppComponentBase,
@@ -25,7 +25,6 @@ import {
     selector: '[sqxContent]',
     styleUrls: ['./content-item.component.scss'],
     templateUrl: './content-item.component.html',
-    changeDetection: ChangeDetectionStrategy.OnPush,
     animations: [
         fadeAnimation
     ]
diff --git a/src/Squidex/app/features/schemas/pages/schema/field.component.ts b/src/Squidex/app/features/schemas/pages/schema/field.component.ts
index 4bfcc9379..864f4ea15 100644
--- a/src/Squidex/app/features/schemas/pages/schema/field.component.ts
+++ b/src/Squidex/app/features/schemas/pages/schema/field.component.ts
@@ -5,7 +5,7 @@
  * Copyright (c) Sebastian Stehle. All rights reserved
  */
 
-import { ChangeDetectionStrategy, Component, EventEmitter, Input, OnInit, Output } from '@angular/core';
+import { Component, EventEmitter, Input, OnInit, Output } from '@angular/core';
 import { FormBuilder, FormGroup, Validators } from '@angular/forms';
 
 import {
@@ -19,7 +19,6 @@ import {
     selector: 'sqx-field',
     styleUrls: ['./field.component.scss'],
     templateUrl: './field.component.html',
-    changeDetection: ChangeDetectionStrategy.OnPush,
     animations: [
         fadeAnimation
     ]
diff --git a/src/Squidex/app/features/schemas/pages/schema/types/boolean-ui.component.ts b/src/Squidex/app/features/schemas/pages/schema/types/boolean-ui.component.ts
index 0b9c1d18f..0e45f586a 100644
--- a/src/Squidex/app/features/schemas/pages/schema/types/boolean-ui.component.ts
+++ b/src/Squidex/app/features/schemas/pages/schema/types/boolean-ui.component.ts
@@ -5,7 +5,7 @@
  * Copyright (c) Sebastian Stehle. All rights reserved
  */
 
-import { ChangeDetectionStrategy, Component, Input, OnInit } from '@angular/core';
+import { Component, Input, OnInit } from '@angular/core';
 import { FormControl, FormGroup, Validators } from '@angular/forms';
 
 import { BooleanFieldPropertiesDto } from 'shared';
@@ -13,8 +13,7 @@ import { BooleanFieldPropertiesDto } from 'shared';
 @Component({
     selector: 'sqx-boolean-ui',
     styleUrls: ['boolean-ui.component.scss'],
-    templateUrl: 'boolean-ui.component.html',
-    changeDetection: ChangeDetectionStrategy.OnPush
+    templateUrl: 'boolean-ui.component.html'
 })
 export class BooleanUIComponent implements OnInit {
     @Input()
diff --git a/src/Squidex/app/features/schemas/pages/schema/types/boolean-validation.component.ts b/src/Squidex/app/features/schemas/pages/schema/types/boolean-validation.component.ts
index f73d4dc58..58eff1ab4 100644
--- a/src/Squidex/app/features/schemas/pages/schema/types/boolean-validation.component.ts
+++ b/src/Squidex/app/features/schemas/pages/schema/types/boolean-validation.component.ts
@@ -5,7 +5,7 @@
  * Copyright (c) Sebastian Stehle. All rights reserved
  */
 
-import { ChangeDetectionStrategy, Component, Input, OnInit } from '@angular/core';
+import { Component, Input, OnInit } from '@angular/core';
 import { FormControl, FormGroup } from '@angular/forms';
 import { Observable } from 'rxjs';
 
@@ -14,8 +14,7 @@ import { BooleanFieldPropertiesDto } from 'shared';
 @Component({
     selector: 'sqx-boolean-validation',
     styleUrls: ['boolean-validation.component.scss'],
-    templateUrl: 'boolean-validation.component.html',
-    changeDetection: ChangeDetectionStrategy.OnPush
+    templateUrl: 'boolean-validation.component.html'
 })
 export class BooleanValidationComponent implements OnInit {
     @Input()
diff --git a/src/Squidex/app/features/schemas/pages/schema/types/date-time-ui.component.ts b/src/Squidex/app/features/schemas/pages/schema/types/date-time-ui.component.ts
index 01bd49676..26d7e34fe 100644
--- a/src/Squidex/app/features/schemas/pages/schema/types/date-time-ui.component.ts
+++ b/src/Squidex/app/features/schemas/pages/schema/types/date-time-ui.component.ts
@@ -5,7 +5,7 @@
  * Copyright (c) Sebastian Stehle. All rights reserved
  */
 
-import { ChangeDetectionStrategy, Component, Input, OnInit } from '@angular/core';
+import { Component, Input, OnInit } from '@angular/core';
 import { FormControl, FormGroup, Validators } from '@angular/forms';
 import { Observable } from 'rxjs';
 
@@ -14,8 +14,7 @@ import { FloatConverter, NumberFieldPropertiesDto } from 'shared';
 @Component({
     selector: 'sqx-date-time-ui',
     styleUrls: ['date-time-ui.component.scss'],
-    templateUrl: 'date-time-ui.component.html',
-    changeDetection: ChangeDetectionStrategy.OnPush
+    templateUrl: 'date-time-ui.component.html'
 })
 export class DateTimeUIComponent implements OnInit {
     @Input()
diff --git a/src/Squidex/app/features/schemas/pages/schema/types/date-time-validation.component.ts b/src/Squidex/app/features/schemas/pages/schema/types/date-time-validation.component.ts
index 1527b47ee..0e0b4e54a 100644
--- a/src/Squidex/app/features/schemas/pages/schema/types/date-time-validation.component.ts
+++ b/src/Squidex/app/features/schemas/pages/schema/types/date-time-validation.component.ts
@@ -5,7 +5,7 @@
  * Copyright (c) Sebastian Stehle. All rights reserved
  */
 
-import { ChangeDetectionStrategy, Component, Input, OnInit } from '@angular/core';
+import { Component, Input, OnInit } from '@angular/core';
 import { FormControl, FormGroup } from '@angular/forms';
 import { Observable } from 'rxjs';
 
@@ -14,8 +14,7 @@ import { DateTimeFieldPropertiesDto, ValidatorsEx } from 'shared';
 @Component({
     selector: 'sqx-date-time-validation',
     styleUrls: ['date-time-validation.component.scss'],
-    templateUrl: 'date-time-validation.component.html',
-    changeDetection: ChangeDetectionStrategy.OnPush
+    templateUrl: 'date-time-validation.component.html'
 })
 export class DateTimeValidationComponent implements OnInit {
     @Input()
diff --git a/src/Squidex/app/features/schemas/pages/schema/types/geolocation-ui.component.ts b/src/Squidex/app/features/schemas/pages/schema/types/geolocation-ui.component.ts
index 1fd5b9346..a0fc725a5 100644
--- a/src/Squidex/app/features/schemas/pages/schema/types/geolocation-ui.component.ts
+++ b/src/Squidex/app/features/schemas/pages/schema/types/geolocation-ui.component.ts
@@ -5,7 +5,7 @@
  * Copyright (c) Sebastian Stehle. All rights reserved
  */
 
-import { ChangeDetectionStrategy, Component, Input, OnInit } from '@angular/core';
+import { Component, Input, OnInit } from '@angular/core';
 import { FormGroup, FormControl, Validators } from '@angular/forms';
 
 import { GeolocationFieldPropertiesDto } from 'shared';
@@ -13,8 +13,7 @@ import { GeolocationFieldPropertiesDto } from 'shared';
 @Component({
     selector: 'sqx-geolocation-ui',
     styleUrls: ['geolocation-ui.component.scss'],
-    templateUrl: 'geolocation-ui.component.html',
-    changeDetection: ChangeDetectionStrategy.OnPush
+    templateUrl: 'geolocation-ui.component.html'
 })
 export class GeolocationUIComponent implements OnInit {
     @Input()
diff --git a/src/Squidex/app/features/schemas/pages/schema/types/geolocation-validation.component.ts b/src/Squidex/app/features/schemas/pages/schema/types/geolocation-validation.component.ts
index e3f3a089f..098fcacdc 100644
--- a/src/Squidex/app/features/schemas/pages/schema/types/geolocation-validation.component.ts
+++ b/src/Squidex/app/features/schemas/pages/schema/types/geolocation-validation.component.ts
@@ -5,7 +5,7 @@
  * Copyright (c) Sebastian Stehle. All rights reserved
  */
 
-import { ChangeDetectionStrategy, Component, Input } from '@angular/core';
+import { Component, Input } from '@angular/core';
 import { FormGroup } from '@angular/forms';
 
 import { GeolocationFieldPropertiesDto } from 'shared';
@@ -13,8 +13,7 @@ import { GeolocationFieldPropertiesDto } from 'shared';
 @Component({
     selector: 'sqx-geolocation-validation',
     styleUrls: ['geolocation-validation.component.scss'],
-    templateUrl: 'geolocation-validation.component.html',
-    changeDetection: ChangeDetectionStrategy.OnPush
+    templateUrl: 'geolocation-validation.component.html'
 })
 export class GeolocationValidationComponent {
     @Input()
diff --git a/src/Squidex/app/features/schemas/pages/schema/types/json-ui.component.ts b/src/Squidex/app/features/schemas/pages/schema/types/json-ui.component.ts
index 615759c53..9feebc666 100644
--- a/src/Squidex/app/features/schemas/pages/schema/types/json-ui.component.ts
+++ b/src/Squidex/app/features/schemas/pages/schema/types/json-ui.component.ts
@@ -5,7 +5,7 @@
  * Copyright (c) Sebastian Stehle. All rights reserved
  */
 
-import { ChangeDetectionStrategy, Component, Input } from '@angular/core';
+import { Component, Input } from '@angular/core';
 import { FormGroup } from '@angular/forms';
 
 import { JsonFieldPropertiesDto } from 'shared';
@@ -13,8 +13,7 @@ import { JsonFieldPropertiesDto } from 'shared';
 @Component({
     selector: 'sqx-json-ui',
     styleUrls: ['json-ui.component.scss'],
-    templateUrl: 'json-ui.component.html',
-    changeDetection: ChangeDetectionStrategy.OnPush
+    templateUrl: 'json-ui.component.html'
 })
 export class JsonUIComponent {
     @Input()
diff --git a/src/Squidex/app/features/schemas/pages/schema/types/json-validation.component.ts b/src/Squidex/app/features/schemas/pages/schema/types/json-validation.component.ts
index 498c4eec5..dcdbae808 100644
--- a/src/Squidex/app/features/schemas/pages/schema/types/json-validation.component.ts
+++ b/src/Squidex/app/features/schemas/pages/schema/types/json-validation.component.ts
@@ -5,7 +5,7 @@
  * Copyright (c) Sebastian Stehle. All rights reserved
  */
 
-import { ChangeDetectionStrategy, Component, Input } from '@angular/core';
+import { Component, Input } from '@angular/core';
 import { FormGroup } from '@angular/forms';
 
 import { JsonFieldPropertiesDto } from 'shared';
@@ -13,8 +13,7 @@ import { JsonFieldPropertiesDto } from 'shared';
 @Component({
     selector: 'sqx-json-validation',
     styleUrls: ['json-validation.component.scss'],
-    templateUrl: 'json-validation.component.html',
-    changeDetection: ChangeDetectionStrategy.OnPush
+    templateUrl: 'json-validation.component.html'
 })
 export class JsonValidationComponent {
     @Input()
diff --git a/src/Squidex/app/features/schemas/pages/schema/types/number-ui.component.ts b/src/Squidex/app/features/schemas/pages/schema/types/number-ui.component.ts
index 24c20b8d6..7f8edc9c0 100644
--- a/src/Squidex/app/features/schemas/pages/schema/types/number-ui.component.ts
+++ b/src/Squidex/app/features/schemas/pages/schema/types/number-ui.component.ts
@@ -5,7 +5,7 @@
  * Copyright (c) Sebastian Stehle. All rights reserved
  */
 
-import { ChangeDetectionStrategy, Component, Input, OnDestroy, OnInit } from '@angular/core';
+import { Component, Input, OnDestroy, OnInit } from '@angular/core';
 import { FormControl, FormGroup, Validators } from '@angular/forms';
 import { Observable, Subscription } from 'rxjs';
 
@@ -14,8 +14,7 @@ import { FloatConverter, NumberFieldPropertiesDto } from 'shared';
 @Component({
     selector: 'sqx-number-ui',
     styleUrls: ['number-ui.component.scss'],
-    templateUrl: 'number-ui.component.html',
-    changeDetection: ChangeDetectionStrategy.OnPush
+    templateUrl: 'number-ui.component.html'
 })
 export class NumberUIComponent implements OnDestroy, OnInit {
     private editorSubscription: Subscription;
diff --git a/src/Squidex/app/features/schemas/pages/schema/types/number-validation.component.ts b/src/Squidex/app/features/schemas/pages/schema/types/number-validation.component.ts
index 5cdb1f7bb..51fc8b779 100644
--- a/src/Squidex/app/features/schemas/pages/schema/types/number-validation.component.ts
+++ b/src/Squidex/app/features/schemas/pages/schema/types/number-validation.component.ts
@@ -5,7 +5,7 @@
  * Copyright (c) Sebastian Stehle. All rights reserved
  */
 
-import { ChangeDetectionStrategy, Component, Input, OnInit } from '@angular/core';
+import { Component, Input, OnInit } from '@angular/core';
 import { FormControl, FormGroup } from '@angular/forms';
 import { Observable } from 'rxjs';
 
@@ -14,8 +14,7 @@ import { NumberFieldPropertiesDto } from 'shared';
 @Component({
     selector: 'sqx-number-validation',
     styleUrls: ['number-validation.component.scss'],
-    templateUrl: 'number-validation.component.html',
-    changeDetection: ChangeDetectionStrategy.OnPush
+    templateUrl: 'number-validation.component.html'
 })
 export class NumberValidationComponent implements OnInit {
     @Input()
diff --git a/src/Squidex/app/features/schemas/pages/schema/types/string-ui.component.ts b/src/Squidex/app/features/schemas/pages/schema/types/string-ui.component.ts
index e08efe887..bb8a8f923 100644
--- a/src/Squidex/app/features/schemas/pages/schema/types/string-ui.component.ts
+++ b/src/Squidex/app/features/schemas/pages/schema/types/string-ui.component.ts
@@ -5,7 +5,7 @@
  * Copyright (c) Sebastian Stehle. All rights reserved
  */
 
-import { ChangeDetectionStrategy, Component, Input, OnDestroy, OnInit } from '@angular/core';
+import { Component, Input, OnDestroy, OnInit } from '@angular/core';
 import { FormControl, FormGroup, Validators } from '@angular/forms';
 import { Observable, Subscription } from 'rxjs';
 
@@ -14,8 +14,7 @@ import { StringFieldPropertiesDto } from 'shared';
 @Component({
     selector: 'sqx-string-ui',
     styleUrls: ['string-ui.component.scss'],
-    templateUrl: 'string-ui.component.html',
-    changeDetection: ChangeDetectionStrategy.OnPush
+    templateUrl: 'string-ui.component.html'
 })
 export class StringUIComponent implements OnDestroy, OnInit {
     private editorSubscription: Subscription;
diff --git a/src/Squidex/app/features/schemas/pages/schema/types/string-validation.component.ts b/src/Squidex/app/features/schemas/pages/schema/types/string-validation.component.ts
index 9ecb0ae7c..0387c7099 100644
--- a/src/Squidex/app/features/schemas/pages/schema/types/string-validation.component.ts
+++ b/src/Squidex/app/features/schemas/pages/schema/types/string-validation.component.ts
@@ -5,7 +5,7 @@
  * Copyright (c) Sebastian Stehle. All rights reserved
  */
 
-import { ChangeDetectionStrategy, Component, Input, OnDestroy, OnInit } from '@angular/core';
+import { Component, Input, OnDestroy, OnInit } from '@angular/core';
 import { FormControl, FormGroup } from '@angular/forms';
 import { Observable, Subscription } from 'rxjs';
 
@@ -14,8 +14,7 @@ import { StringFieldPropertiesDto } from 'shared';
 @Component({
     selector: 'sqx-string-validation',
     styleUrls: ['string-validation.component.scss'],
-    templateUrl: 'string-validation.component.html',
-    changeDetection: ChangeDetectionStrategy.OnPush
+    templateUrl: 'string-validation.component.html'
 })
 export class StringValidationComponent implements OnDestroy, OnInit {
     private patternSubscription: Subscription;