Terminating with uncaught exception of ConvPackedParamsBase

I am seeing this error in loading:
terminating with uncaught exception of type c10::Error: Type c10::intrusive_ptr<ConvPackedParamsBase<2>, c10::detail::intrusive_target_default_null_type<ConvPackedParamsBase<2> > > could not be converted to any of the known types.
Exception raised from call at /Users/distiller/project/aten/src/ATen/core/jit_type.h:1703

TORCH_LIBRARY_IMPL(quantized, QuantizedCPU, m) {
m.impl(TORCH_SELECTIVE_NAME(“quantized::conv1d”), QConv1dInt8::run);
}

any solution to this problem…