MAPS stuck on 1 collection remaining

Prior to 1st May, MAPS 9.8.8.0 was working fine, inventoring and updating as normal.

Yesterday 1st May, created a new DB for May's inventory and now MAPS sticks constantly at 1 collection remaining.

Nothing has changed, nothing in the event log, thought would leave it over night and is still stuck after 26 hours of running a scan, which usually takes around 20 minutes.

Anyone know whats going on?

Thanks