How To Fix UR154 - Metadata in the realigner contains errors

SAP Error Message - Details

• Message type: E = Error

• Message class: UR -

• Message number: 154

• Message text: Metadata in the realigner contains errors

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message UR154 - Metadata in the realigner contains errors ?

  The SAP error message UR154, which states "Metadata in the realigner contains errors," typically occurs in the context of SAP BW (Business Warehouse) or SAP HANA when there are inconsistencies or issues with the metadata definitions in the data model or realignment process. This error can arise during data loading, transformation, or when trying to execute queries.
  Causes:
  
  Inconsistent Metadata: There may be discrepancies in the metadata definitions, such as incorrect data types, missing fields, or mismatched structures between the source and target.
  Changes in Data Model: If there have been recent changes to the data model (e.g., changes in InfoObjects, InfoProviders, or transformations) that have not been properly updated or synchronized.
  Corrupted Metadata: The metadata might be corrupted due to system issues or improper handling of data objects.
  Transport Issues: If the metadata was transported from one system to another, there might be issues related to the transport process that led to inconsistencies.
  
  Solutions:
  
  Check Metadata Definitions: Review the metadata definitions in the data model to ensure that all fields, data types, and structures are correctly defined and consistent.
  Rebuild Metadata: If the metadata is corrupted, you may need to rebuild it. This can often be done by reactivating the affected objects in the SAP BW or HANA system.
  Synchronize Objects: Ensure that all related objects (e.g., InfoObjects, InfoProviders, transformations) are synchronized and consistent with each other.
  Check for Recent Changes: If there have been recent changes to the data model, verify that all changes have been properly implemented and that there are no outstanding issues.
  Use Repair Tools: SAP provides tools and transactions (like RSA1 for BW) that can help identify and repair metadata issues. Use these tools to analyze and fix the problems.
  Consult Logs: Check the system logs and error logs for more detailed information about the error. This can provide insights into what specifically is causing the issue.
  
  Related Information:
  
  SAP Notes: Check SAP Notes related to UR154 for any specific patches or updates that may address this issue.
  Documentation: Review SAP documentation for BW or HANA regarding metadata management and realignment processes.
  Community Forums: Engage with SAP community forums or support channels for additional insights and solutions from other users who may have encountered similar issues.
  
  If the problem persists after trying the above solutions, it may be necessary to contact SAP support for further assistance.