How To Fix RSAN_MDL087 - Invalid aggregation field &1 is being deleted

SAP Error Message - Details

• Message type: E = Error

• Message class: RSAN_MDL - Messages on Analysis Object Model

• Message number: 087

• Message text: Invalid aggregation field &1 is being deleted

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message RSAN_MDL087 - Invalid aggregation field &1 is being deleted ?

  The SAP error message RSAN_MDL087, which states "Invalid aggregation field &1 is being deleted," typically occurs in the context of SAP BW (Business Warehouse) when there is an issue with the aggregation fields defined in a data model or InfoProvider. This error indicates that one or more aggregation fields that were previously defined are no longer valid, and as a result, they are being removed from the model.
  Causes:
  
  Field Deletion or Renaming: The aggregation field (&1) may have been deleted or renamed in the underlying data source (e.g., InfoObject, DSO, or InfoCube).
  Data Source Changes: Changes in the structure of the data source that the aggregation field is based on can lead to this error.
  Inconsistent Metadata: There may be inconsistencies in the metadata definitions between the data model and the underlying data source.
  Transport Issues: If the data model was transported from one system to another, there may be discrepancies in the definitions.
  
  Solutions:
  
  Check Data Source: Verify the underlying data source for the aggregation field. Ensure that the field exists and has not been deleted or renamed.
  Update Data Model: If the field has been renamed or modified, update the data model to reflect these changes. You may need to re-add the aggregation field if it is still relevant.
  Rebuild Aggregation: If the aggregation field is no longer valid, consider removing it from the data model and rebuilding the aggregation logic as needed.
  Consistency Check: Perform a consistency check on the data model to identify any other potential issues that may need to be addressed.
  Transport Validation: If the issue arose after a transport, validate that all necessary objects were transported correctly and that there are no missing dependencies.
  
  Related Information:
  
  Transaction Codes: You can use transaction codes like RSA1 (Data Warehousing Workbench) to manage and check your data models and InfoProviders.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. SAP frequently updates its knowledge base with solutions for common problems.
  Documentation: Review the SAP BW documentation for best practices on managing aggregation fields and data models.
  
  If the problem persists after trying the above solutions, consider reaching out to SAP support for further assistance, providing them with detailed information about the error and the context in which it occurs.