Hi @SJ_7748282 , I recommend having this analyzed as a possible Codebeamer unwanted behavior through a new Support ticket. In the ticket, please also include a template export from the affected tracker.
What I could find: I checked the code and this seems to refer to some type of "legacy" fields with "Same as" permission. 8 stands for the type of Access Control value. Using trial-error, you could also try to set the permissions of all fields having "Same as" to "Unrestricted" until the problem stops, so to know which field is the culprit:
