KeyError when attempting to export to NPU

I’ve exported a deep neural net to ONNX format. When I try to run the, I get the following error:

I Current ONNX Model use ir_version 6 opset_version 9
Traceback (most recent call last):
File “”, line 25, in
File “”, line 20, in main
File “acuitylib/app/importer/”, line 42, in run
File “acuitylib/converter/”, line 535, in init
File “acuitylib/converter/”, line 205, in infer_shape
File “acuitylib/converter/”, line 160, in __status_update
File “acuitylib/converter/”, line 194, in __model_rebuild
File “acuitylib/converter/”, line 303, in build_onnx_model
KeyError: ''
[201] Failed to execute script convertonnx

The onnx file is fine, I can re-load it in python. Anyone have any idea what is going on?