This action is not allowed:
If you would like to activate the WPML Translation Editor you can do this manually by going to WPML->Translation Management -> Multilingual Content Setup - > Enable Translation Editor and save.
let me know your results.
Also, Console Errors
In your chrome browser Press Ctrl + Shift + J (Windows / Linux) or Cmd + Opt + J (Mac) when you try this.
Check if you see any red errors here : hidden link and let me know.