Help around arduino diy plotter

[tambey64]

Hello I dont know if this is right place to ask but I dont know where, so I made arduino Diy pen plotter and Machine works kind of but after some time(sometimes 20 seconds sometime 1 or 2 min but machine never worked more than 4 5 mins before stopping), I am getting an error saying "error while processing response..." in universal g code sender after that I have to restart machine and it cannot finish any drawings, I am using chinese arduino and tried reflashing multiple times multiple baudrates, few versions of universal gcode sender and 2 usb cables and always same error and I cant fix it. Can somone help me please?
Thank you