how to solve ONNX conversion error

"RuntimeError: [ONNXRuntimeError] : 9 : NOT_IMPLEMENTED : Could not find an implementation for the node data_Sub(6):"

I Am trying to convert mat file model into onnx, conversion is successfull. ONNX conversion toolbox

But while trying to work with onnx model, it shown error

[Sarah Mohamed]

Hello Sanjay,

Could you post the MAT file so that we can look into this? What version of the ONNX converter are you using? You can list the versions of any support packages you have installed using this command:

matlabshared.supportpkg.getInstalled