Error code 13-2 nozzle not heating up

i was using the PVA filament supported by snapmaker , and then the filament got stuck inside the extruder , then i remove it and i remover the nozzle . but the nozzle is not heating up and giving an error , i tried to turn of the machine and start it back again still nothing is happening .i have use this machine only 2 3 times , what could be the issue ?