#1: Emails are being triggered now. We reduced the time out value to 5 minutes and wait time to 1 minute and that allowed the trigger to engage. That said, now the FIRST NAME [fname] and LAST NAME [lname] variables do not work for new registration emails. They work for manual, one-time emails, but not for those generated by an Event. We have switched to using [username] and [email] to compensate.
#2: We will have to set up debugging and try rebuilding lists. For now, close this ticket. We will open again if needed.
Thank you!