Hi @msfox welcome to the /e/ forum.
I am sorry to say that it will be necessary to revert to stock ROM, there is a support topic page here Revert Samsung Device to stock ROM on Windows PC.
This ROM, unusually for current /e/OS Android 13(T), contains an updater-script which includes in line 2
abort(“ERROR: This package requires Android 13 based firmware. Please upgrade firmware and retry!”
This issue was seen here Upgrade from android 12 to android 13 and Can't install e/OS on Samsung Galaxy A52 with adb