When closing Photoshop version 21.1, an Apple Crash Report is generated. This only occurs when the Universal Type Client 7 plug-in is installed.
All supported macOS environments up to macOS 10.15 (Catalina).
At the moment the cause for the error is unknown. It is worth mentioning that the crash behavior neither damages the file being worked on nor causes Photoshop itself to crash.
At this time there is not a solution beyond removing the plug-in and using manual activation when working in Photoshop version 21.1. Our development team is currently investigating the cause of the behavior.
If you have additional questions please contact technical support.