ERROR: UFFParser: Parser error: BoxPredictor_0/Reshape: Reshape: -1 dimension specified more than 1 time

when I try to usr sample_uffssd with a ssd model trained by myself,I get the error.
The error is:

ERROR: UFFParser: Parser error: BoxPredictor_0/Reshape: Reshape: -1 dimension specified more than 1 time

hi, have u saved the problem?