Look in de joblog spooled file and search for message identifier CPF3741 and CPF3761. This will show you the unsaved objects.
If the console job is still active, the easiest way to search is to enter the DSPJOBLOG OUTPUT(*PRINT) command at the console. The joblog will then be printed and you can search the spooled joblog.
BTW. if you are running a full system save, you’ll be running in restricted state. It’s almost certain that anything that can’t be backed up won’t be needed for restore.