diff --git a/src/app/appmarket/appmanagement/app-add-json-app/app-add-json-app.component.html b/src/app/appmarket/appmanagement/app-add-json-app/app-add-json-app.component.html
index a89537de67dd331f96c4f8c290963b0eb15ef966..9e60ee4c58b3b97e668f511af26dfa6afef19270 100644
--- a/src/app/appmarket/appmanagement/app-add-json-app/app-add-json-app.component.html
+++ b/src/app/appmarket/appmanagement/app-add-json-app/app-add-json-app.component.html
@@ -14,7 +14,7 @@
             <div style="margin-bottom: 10px">
                 {{ 'APPS_MANAGEMENT.ADD_JSON_TEXTAREA'| translate}}
             </div>
-            <textarea rows="10" cols="100" pInputTextarea [(ngModel)]="jsonText"></textarea>
+            <textarea rows="10" cols="100" pInputTextarea [(ngModel)]="jsonText" (keyup)="this.JsonError = false"></textarea>
         </div>
         <div class="flex flex-row justify-content-center justify-content-center mt-2">
             <button *ngIf="jsonText.length >0" pButton class="btn btn-success"
diff --git a/src/app/appmarket/appmanagement/app-add-json-version-app/app-add-json-version-app.component.html b/src/app/appmarket/appmanagement/app-add-json-version-app/app-add-json-version-app.component.html
index 9b59b4d2486c35aaf27d64b4fefb309b019a30c7..ca1889da3b63b88290cd60d4fffe655f1c572a08 100644
--- a/src/app/appmarket/appmanagement/app-add-json-version-app/app-add-json-version-app.component.html
+++ b/src/app/appmarket/appmanagement/app-add-json-version-app/app-add-json-version-app.component.html
@@ -1,5 +1,5 @@
 <nmaas-modal style="width: 600px; height: 800px">
-    <div class="nmaas-modal-header">{{ 'APPS_MANAGEMENT.ADD_JSON_version'| translate}}</div>
+    <div class="nmaas-modal-header">{{ 'APPS_MANAGEMENT.ADD_JSON_VERSION'| translate}}</div>
     <div class="nmaas-modal-body">
         <div style="margin-bottom: 10px">
             {{ 'APPS_MANAGEMENT.ADD_JSON_INFO'| translate}}
@@ -14,7 +14,7 @@
             <div style="margin-bottom: 10px">
                 {{ 'APPS_MANAGEMENT.ADD_JSON_TEXTAREA'| translate}}
             </div>
-            <textarea rows="10" cols="100" pInputTextarea [(ngModel)]="jsonText"></textarea>
+            <textarea rows="10" cols="100" pInputTextarea [(ngModel)]="jsonText" (keyup)="this.JsonError = false"></textarea>
         </div>
         <div class="flex flex-row justify-content-center justify-content-center mt-2">
             <button *ngIf="jsonText.length >0" pButton class="btn btn-success"
diff --git a/src/app/appmarket/appmanagement/app-add-json-version-app/app-add-json-version-app.component.ts b/src/app/appmarket/appmanagement/app-add-json-version-app/app-add-json-version-app.component.ts
index 2fce47d03be8e981e698199ad4f4981a4d4b41ba..54532ee89bd6fdb61eea4d0016e933f79c40d422 100644
--- a/src/app/appmarket/appmanagement/app-add-json-version-app/app-add-json-version-app.component.ts
+++ b/src/app/appmarket/appmanagement/app-add-json-version-app/app-add-json-version-app.component.ts
@@ -48,7 +48,7 @@ export class AppAddJsonVersionAppComponent implements OnInit {
               },
               error => {
                 console.log(error)
-                this.error = error.message
+                this.error = error.error.message
               })
         } catch (e) {
           console.warn('invalid json')
@@ -72,7 +72,7 @@ export class AppAddJsonVersionAppComponent implements OnInit {
             },
             error => {
               console.log(error)
-              this.error = error.message
+              this.error = error.error.message
             })
       } catch (e) {
         console.warn('invalid json')