TER: No Login possible / JS Error

What was the cause of the issue?

Created Account - registered ext-key - tryed to upload extension - logged out after fail - cant login again (login not possible because the "spinning icon" never stops and loads the data -> if i click "My extensions" it logs me out again to the startingpage of ter

Steps to reproduce

see above (same issue in Chrome, FF, IE,... all new version)

Output of error log

Add some screenshots