How To Fix RSANA_UMM_API079 - Model specification decoding failed

SAP Error Message - Details

• Message type: E = Error

• Message class: RSANA_UMM_API - UMM API Messages

• Message number: 079

• Message text: Model specification decoding failed

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message RSANA_UMM_API079 - Model specification decoding failed ?

  The SAP error message RSANA_UMM_API079: Model specification decoding failed typically occurs in the context of SAP BW (Business Warehouse) or SAP BW/4HANA when there is an issue with the model specification in the context of data extraction or transformation processes. This error can arise due to various reasons, including issues with the data model, inconsistencies in the data source, or problems with the configuration of the extraction process.
  Causes:
  
  Incorrect Model Specification: The model specification may be incorrectly defined or corrupted.
  Inconsistent Data Source: The data source from which data is being extracted may have inconsistencies or may not match the expected structure.
  Version Mismatch: There may be a version mismatch between the data model and the data source.
  Missing or Incorrect Authorizations: The user executing the process may not have the necessary authorizations to access the data model or data source.
  Transport Issues: If the model was transported from one system to another, there may have been issues during the transport process.
  
  Solutions:
  
  Check Model Specification: Review the model specification in the SAP BW system to ensure it is correctly defined. Look for any inconsistencies or errors in the configuration.
  Validate Data Source: Ensure that the data source is correctly set up and that the structure matches the expected model. Check for any changes in the underlying data structure.
  Check Authorizations: Verify that the user has the necessary authorizations to access the data model and data source.
  Recreate the Model: If the model specification is corrupted, consider recreating it from scratch.
  Transport Validation: If the model was transported, check the transport logs for any errors and ensure that all necessary objects were transported correctly.
  Debugging: If you have access to debugging tools, you can debug the process to identify the exact point of failure.
  
  Related Information:
  
  SAP Notes: Check SAP Notes related to this error message for any specific patches or updates that may address the issue.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they have found.
  Documentation: Review the official SAP documentation for BW/4HANA or the specific version you are using for any guidelines on model specifications and data extraction processes.
  
  If the issue persists after trying the above solutions, it may be beneficial to reach out to SAP support for further assistance.