How To Fix UJA_EXCEPTION102 - Invalid parent ID &1 in hierarchy &2 in &3

SAP Error Message - Details

• Message type: E = Error

• Message class: UJA_EXCEPTION - BPC: Admin exception message class

• Message number: 102

• Message text: Invalid parent ID &1 in hierarchy &2 in &3

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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Smart SAP Assistant

• What is the cause and solution for SAP error message UJA_EXCEPTION102 - Invalid parent ID &1 in hierarchy &2 in &3 ?

  The SAP error message UJA_EXCEPTION102 indicates that there is an issue with a hierarchy structure in your SAP system. Specifically, the error message states that there is an "Invalid parent ID" in a specified hierarchy. This typically occurs in the context of SAP BW (Business Warehouse) or SAP BI (Business Intelligence) when dealing with master data hierarchies.
  Cause:
  
  
  Invalid Parent-Child Relationship: The error usually arises when a node in a hierarchy references a parent node that does not exist or is not valid. This can happen due to:
  
  Deletion of a parent node without updating the child nodes.
  Incorrect data entry or configuration in the hierarchy.
  Data inconsistencies during data loading or transformation processes.
  
  
  
  Data Load Issues: If you are loading data into the hierarchy and the source data contains references to non-existent parent nodes, this error can occur.
  
  
  Hierarchy Configuration: Misconfiguration in the hierarchy settings or structure can lead to invalid references.
  
  
  Solution:
  
  
  Check Hierarchy Structure:
  
  Review the hierarchy structure in the SAP BW/BI system to ensure that all parent nodes exist and are correctly configured.
  Use transaction codes like RSA1 (Data Warehousing Workbench) to analyze the hierarchy.
  
  
  
  Data Validation:
  
  Validate the data being loaded into the hierarchy. Ensure that all parent IDs referenced in the child nodes exist in the hierarchy.
  If you are using a data source, check the source data for any inconsistencies.
  
  
  
  Rebuild Hierarchy:
  
  If the hierarchy is corrupted, consider rebuilding it. This may involve deleting the existing hierarchy and recreating it from scratch.
  
  
  
  Check for Deletions:
  
  If a parent node was deleted, you may need to either restore it or update the child nodes to point to a valid parent.
  
  
  
  Use SAP Notes:
  
  Check the SAP Support Portal for any relevant SAP Notes that may address this specific error. There may be patches or updates that resolve known issues.
  
  
  
  Consult Documentation:
  
  Review SAP documentation related to hierarchies in BW/BI for best practices and troubleshooting steps.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as RSA1, RSD1, and RSD2 for managing and analyzing hierarchies.
  SAP Community: Engage with the SAP Community forums for insights from other users who may have encountered similar issues.
  SAP Support: If the issue persists, consider reaching out to SAP Support for assistance, providing them with detailed information about the error and the context in which it occurs.
  
  By following these steps, you should be able to identify and resolve the cause of the UJA_EXCEPTION102 error in your SAP system.