Community version upgrade v4.0 to 5.0 - when try to change language without reinstall addon, then it redirected to dashboard

Steps 1. :-  

1. Install ASTPP v4.0
2. Login as admin.
3. Go to Get Addon > Community > install all available languages addon.
4. Upgrade ASTPP version 4.0 to 5.0
5. After successful upgrade.
6. Login as admin.
7. In Bottom- right panel, change any language  and observe.

Actual result :- when try to change language without reinstall addon, then it redirected to dashboard.

Steps 2:- 

• Install ASTPP v4.0
• Login as admin.
• Go to Get Addon > Community > install all available languages addon.
• Upgrade ASTPP version 4.0 to 5.0
• After successful upgrade.
• Login as admin.
• Go to Accounts.
• Click on demo and observe :- without reinstall addon, it redirected to dashboard.

Expected result :- It should be work same as previous without reinstall addons, Because "Demo" addon and all languages addons are display as previous version due to nothing any changes.

See videos :-