Jumping to next placeholder with Tab not working on Mac

[felixele217]

How can I jump to the next placeholder? Pressing tab does the following:

I also tried

"editor.tabCompletion": "onlySnippets" OR 
"editor.tabCompletion": "on", OR 
"editor.tabCompletion": "off",

or nothing at all and it did not work.

Thanks already!
Felix