PALT-04 error

So for a simple explaniton, im doing a robot tornuament and i was about to start my virtual cell, it was going normal as i tested 5 minutes before, mid run when it was about to do the the 2nd Palletalizng_E a error named "PALT-04" showed up and even none of the avaliators knew what was that, the thing is the error showed the message palletazing incremental is ill(something like this) but the palletazing reg was normal before and after i tested, also searced about it and nothing