Actually, found the answer to my own questions thanks to the 3rd reply in this thread: https://ttlc.intuit.com/community/state-taxes/discussion/if-i-am-being-told-to-check-this-entry-and-...
Basically going to the Forms view allows me to see the worksheet with errors (red exclamation mark), and in the form itself, it describes what each of the Item Q means, they are all from Schedule A.
