A1/mini issues

Just wondered if anyone experiencing these issues
Perfect print, hit reprint and halfway through a spaghetti mess, this happens a lot on multiple printers mini and A1, not an adhesion problem as prints usually start fine.

When printing multiples on a bed at least one or two failures, usually on the finer parts of the model like feet on dragons etc. I always use auto arrange but again happens on multiple printers mini and A1.

I still run a couple older competitor printers and do not experience these problems.

I have never had this happen a lot, though I have seen it once or twice. I also have not seen anywhere on the forums either. Do you have any pictures of it? Is it still happening? What filament are you using?