How To Fix UACC024 - Structure &2 of source system &1 unknown

SAP Error Message - Details

• Message type: E = Error

• Message class: UACC - Message Class for Concurrent Costing Adapter

• Message number: 024

• Message text: Structure &2 of source system &1 unknown

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.

Unfortunately, there isn't any extra information in this error notice.

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Smart SAP Assistant

• What is the cause and solution for SAP error message UACC024 - Structure &2 of source system &1 unknown ?

  The SAP error message UACC024, which states "Structure &2 of source system &1 unknown," typically occurs in the context of data extraction or data transfer processes, particularly when dealing with SAP BW (Business Warehouse) or SAP Data Services. This error indicates that the system is unable to recognize a specific structure that is expected from the source system.
  Cause:
  
  Missing Structure Definition: The structure defined in the source system (e.g., an SAP ERP system) is not recognized in the target system (e.g., SAP BW). This could be due to the structure not being activated or not being available in the source system.
  Incorrect Configuration: There may be a misconfiguration in the data source settings or in the extraction process.
  Transport Issues: If the structure was recently transported from one system to another, it may not have been transported correctly or completely.
  Version Mismatch: The source system and the target system may be on different versions, leading to incompatibility in the structures.
  
  Solution:
  
  Check Structure Definition: Verify that the structure in the source system exists and is correctly defined. You can do this by checking the relevant data source in the source system.
  Activate the Structure: If the structure is not activated, activate it in the source system. This can often be done in transaction codes like RSA1 (for BW) or the relevant transaction in the source system.
  Reconfigure Data Source: If there are configuration issues, recheck the settings in the data source and ensure that they are correctly set up.
  Transport Check: If the structure was recently transported, ensure that the transport was successful and that all necessary objects were included.
  Check for Updates: Ensure that both the source and target systems are updated to compatible versions. If there are discrepancies, consider applying necessary patches or updates.
  Consult Documentation: Refer to SAP documentation or notes related to the specific data source or structure for any known issues or additional troubleshooting steps.
  
  Related Information:
  
  Transaction Codes: Use transaction codes like RSA1 (for BW) to check data sources and structures.
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address this specific error or provide additional troubleshooting steps.
  Logs and Traces: Check logs and traces in both the source and target systems for more detailed error messages that can provide further insights into the issue.
  
  If the problem persists after following these steps, it may be beneficial to reach out to SAP support for further assistance.