# Excerpt from build 7883's offline exception regression in Normal mode.
# This is a deliberately injected synthetic fixture failure, not a customer fault.
# Source: ITS-Server-Test-Evidence / ExceptionSafetyCheck.txt.
2026-10-11 21:05:06.289 | ERROR | ITPlaceWatcher                 | main                             | Chat callback failed | room=fixture-room
java.lang.IllegalArgumentException: fixture room callback failure
	at itplacemanager.ExceptionSafetyCheck$CallbackWatcher.callback(ExceptionSafetyCheck.java:72)
	at itplacemanager.ExceptionSafetyCheck$CallbackWatcher.processTextReceived(ExceptionSafetyCheck.java:68)
	at itplacemanager.ITPlaceWatcher.textReceived(ITPlaceWatcher.java:1731)
	at itplacemanager.ExceptionSafetyCheck.callbacks(ExceptionSafetyCheck.java:131)
	at itplacemanager.ExceptionSafetyCheck.main(ExceptionSafetyCheck.java:271)