Shortcut for adding a label gives typeerror

[wilmarvanommeren]

Describe the bug
Shortcut for adding a label gives TypeError (Uncaught TypeError: labelNames[1] is undefined)

To Reproduce
Steps to reproduce the behavior:

1. Add Images and a single label (with two the first label works, but the second doesn't)
2. Add label to annotation with cntrl+0
3. See error

Expected behavior
Label assigning without errors