Error while evaluating validation data

I am running into following error while doing evaluations ith my validation data:


Unable to open output backtrace file.

generic(reason: "Unable to compute MLClassifierMetrics.")

Error running predictions: Error Domain=com.apple.vis Code=12 "The current configuration of <VNCreateSceneprintRequest: 0x7fabc2e2e910> is not supported" UserInfo={NSLocalizedDescription=The current configuration of <VNCreateSceneprintRequest: 0x7fabc2e2e910> is not supported}


Any pointers what may be causing this?