@MethodZ Ty will take a look at that particular spot, be sure to select [Always mine in my chosen sector] so it works better I will make this option default in today's update ^^
@returningnewbie You using same spot as him? Please confirm I usually mine right north of the stairs (in upstairs area) and it works flawless, if you like, use my settings:
Select the green map tiles and [only mine in chosen sectors]
I also just did nice 30-60 here at mlm yesterday, works good