- fixed issue where no permission on edit exercise would give us an invalid state

- fixed typo

src/components/404internal/Chat404.tsx

@@ -339,7 +339,7 @@ const conversion: ReadonlyArray<ChatMessage> = [
     kind: 'message',
     name: 'Steffen',
     withLoading: true,
-    message: 'Jaja, von wegen keine Fehler. Ich habe dir aber doch gleich gesagt, dass wir einen vernünftigen 404-Seite brauchen!'
+    message: 'Jaja, von wegen keine Fehler. Ich habe dir aber doch gleich gesagt, dass wir einen vernünftige 404-Seite brauchen!'
   },
   {
     kind: 'message',

src/components/sites/manageOwnOrGroupExerciseComponents/listView.tsx

@@ -27,6 +27,7 @@ import Spinner from '../../helpers/spinner'
 import {copyExercise} from '../../../communicationLayer/exerciseEditorLayer'
 import Logger from '../../../helpers/logger'
 import history from '../../../routerHistory'
+import {debugOriginUrl, isProduction} from '../../../../debug'
 
 
 //const css = require('./styles.styl');
@@ -675,6 +676,10 @@ class TableView extends React.Component<Props, any> {
                             newExerciseId = await copyExercise(exercisePreview.id)
                           } catch (err) {
 
+                            if (!isProduction) {
+                              Logger.warn(`could not create exercise copy: ${err.message}`, err)
+                            }
+
                             Logger.warn('could not create exercise copy')
                             errorDialog(getI18n(this.props.langId, "Error"),
                                         getI18n(this.props.langId, "Could not copy exercise"), this.props.langId

src/constants.ts

@@ -13,7 +13,7 @@ import Logger from './helpers/logger'
  * y - breaking changes / new features
  * z - fixes, small changes
  */
-export const versionString = '2.5.4'
+export const versionString = '2.5.5'
 
 
 export const supportMail = 'yapex@informatik.uni-halle.de'

src/state/reducers/exerciseEditorSite/getEditorExerciseReducer.ts

@@ -9,6 +9,7 @@ import {EditorExerciseFromBackend} from "../../../types/exerciseEditor";
 import {convertEditorExerciseFromBackendToFrontend} from "../../../helpers/convertersAndTransformers";
 import {AceEditorsStorageHelper} from '../../../components/codeEditors/aceEditors/aceEditorsStorageHelper'
 import {editExerciseExerciseDescriptionEditorPanelViewEditorId} from '../../../constants'
+import {initial as initialEditorExercise} from './editorExerciseReducer'
 
 
 export interface GET_editorExerciseAction
@@ -78,7 +79,7 @@ export function reducer(state: State = initial(), action: AllActions): State {
       return {
         ...state,
         isLoading: false,
-        editorExercise: null
+        editorExercise: initialEditorExercise()
       }
 
     default: