Sorry for the long title, but I wanted it to be clearly seen from a google search. Also, this differs from many of the other similar questions on here as its not specifying
The answer of simon_smiley pointed me to the right direction, but some more trial-and-error was needed leading to the following solution:
The problem doesn't only occur for additional top-level UIView objects, but also for gesture recognizers. So make sure not to use any gesture recognizers in your failing XIB file, you can set them up in code instead.
For example you can do it in awakeFromNib as noted by vahotm in the accepted answers comments.
It was a silly mistake on my side and I had two tableview cells which caused this error. Removed the other 'table view cell' which fixed the issue.