How To Fix R8455 - Error writing to the hierarchy additional information table

SAP Error Message - Details

• Message type: E = Error

• Message class: R8 - Messages from the meta data generation

• Message number: 455

• Message text: Error writing to the hierarchy additional information table

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message R8455 - Error writing to the hierarchy additional information table ?

  The SAP error message R8455, which states "Error writing to the hierarchy additional information table," typically occurs in the context of SAP BW (Business Warehouse) or SAP BI (Business Intelligence) when there is an issue with writing data to the hierarchy tables. This can happen during data loading processes, especially when dealing with hierarchies in InfoObjects.
  Causes:
  
  Data Consistency Issues: There may be inconsistencies in the data being loaded, such as missing or incorrect hierarchy nodes.
  Database Locking: The database table may be locked by another process, preventing the write operation.
  Authorization Issues: The user executing the data load may not have the necessary authorizations to write to the hierarchy tables.
  Technical Issues: There could be technical issues with the database or the SAP system itself, such as connectivity problems or database corruption.
  Incorrect Hierarchy Structure: The hierarchy structure defined in the InfoObject may not match the data being loaded.
  
  Solutions:
  
  Check Data Consistency: Ensure that the data being loaded is consistent and adheres to the hierarchy structure defined in the InfoObject. Validate the hierarchy nodes and their relationships.
  Release Locks: If the table is locked, identify the process that is holding the lock and either wait for it to complete or terminate it if appropriate.
  Review Authorizations: Verify that the user has the necessary authorizations to write to the hierarchy tables. This may involve checking roles and permissions in the SAP system.
  Check System Logs: Review the system logs (transaction SLG1) for any additional error messages or warnings that could provide more context about the issue.
  Database Health Check: Perform a health check on the database to ensure there are no underlying issues. This may involve checking for corruption or connectivity problems.
  Recreate Hierarchy: If the hierarchy structure is incorrect, consider recreating the hierarchy in the InfoObject and ensuring that it matches the data being loaded.
  
  Related Information:
  
  Transaction Codes: You may want to use transaction codes like RSA1 (Data Warehousing Workbench) to check the InfoObjects and hierarchies.
  SAP Notes: Check for relevant SAP Notes in the SAP Support Portal that may address this specific error or provide patches and updates.
  Documentation: Review SAP documentation related to hierarchies in BW/BI for best practices and troubleshooting steps.
  
  If the issue persists after trying the above solutions, it may be beneficial to engage with SAP support for further assistance.