ABS printing failure

Hello,
Got question- what could be the cause of printing in Zortrax abs printing on m300 dual, in one of the corners i get visible shrinkage and my prints are deforming?
2. Why my prints doesnt stick to platform? Temp 275, bed 90

Hello,

It seems like you are experiencing warping. Try use methods from this guide Troubleshooting: Warping when 3D Printing | Zortrax Support Center