ML integration with wav2vec

hello every one can someone help me , I am trying to ingrate wav2vec on ML backend but i get this error

Successfully connected to http://localhost:9090 but it doesn’t look like a valid ML backend. Reason: 500 Server Error: INTERNAL SERVER ERROR for url: http://localhost:9090/setup.
Check the ML backend server console logs to check the status. There might be
something wrong with your model or it might be incompatible with the current labeling configuration