How To Fix RSANA_UMM_MLF_API009 - Inference input key "&1" not found in signature inputs. Check input key.

SAP Error Message - Details

• Message type: E = Error

• Message class: RSANA_UMM_MLF_API -

• Message number: 009

• Message text: Inference input key "&1" not found in signature inputs. Check input key.

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message RSANA_UMM_MLF_API009 - Inference input key "&1" not found in signature inputs. Check input key. ?

  The SAP error message RSANA_UMM_MLF_API009 indicates that there is an issue with the inference input key not being found in the signature inputs. This typically occurs in the context of SAP Analytics or Machine Learning scenarios where a model is being invoked, and the expected input key is missing or incorrectly specified.
  Cause:
  
  Missing Input Key: The input key specified in the inference request does not match any of the keys defined in the model's signature.
  Incorrect Configuration: The model may not be properly configured, or the input data structure does not align with what the model expects.
  Typographical Errors: There may be a typo in the input key name when making the inference call.
  Version Mismatch: If the model has been updated or changed, the input keys may have been modified, leading to discrepancies.
  
  Solution:
  
  Check Input Keys: Verify the input keys being used in the inference request against the model's signature. Ensure that the key "&1" is correctly defined in the model.
  Review Model Signature: Access the model's signature definition to confirm the expected input keys and their formats.
  Correct Typographical Errors: Ensure that there are no typos in the input key names in your inference request.
  Update Inference Request: If the model has been updated, adjust your inference request to match the new input key definitions.
  Consult Documentation: Refer to the SAP documentation for the specific model you are using to understand the expected input structure and requirements.
  Testing: If possible, test the inference with a known good input to ensure that the model is functioning correctly.
  
  Related Information:
  
  SAP Help Portal: Check the SAP Help Portal for detailed documentation on the specific model and its input requirements.
  SAP Community: Engage with the SAP Community forums to see if others have encountered similar issues and what solutions they found.
  Logs and Traces: Review any logs or traces that may provide additional context on the error, which can help in diagnosing the issue further.
  
  By following these steps, you should be able to identify and resolve the issue related to the error message RSANA_UMM_MLF_API009.