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Encountered: “OpenVINO Does Not Support the Following ONNX Operations: ai.onnx.ml. TreeEnsenbleRegressor” in OpenVINO™ Toolkit

Content Type: Error Messages   |   Article ID: 000097574   |   Last Reviewed: 09/04/2026

Description

  • Implemented Catboost in OpenVINO™ Toolkit
  • Encountered the following warning message:

OpenVINO does not support the following ONNX operations: ai.onnx.ml. TreeEnsembleRegressor

Resolution

Operation ai.onnx.ml. TreeEnsembleRegressor is not supported in the OpenVINO™ Toolkit.

Additional information

Refer to the Supported Operations documentation for lists of supported ONNX operations.

Related Products

This article applies to 1 products.