How To Fix RS_B4H_SOURCE_APD020 - APD process '&1' does not have valid structure.

SAP Error Message - Details

• Message type: E = Error

• Message class: RS_B4H_SOURCE_APD -

• Message number: 020

• Message text: APD process '&1' does not have valid structure.

What causes this issue?

APD process does not have valid structure and was not analyzed
correctly. Make sure process have correct structure and that it does
contain APD target node.

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message RS_B4H_SOURCE_APD020 - APD process '&1' does not have valid structure. ?

  The SAP error message RS_B4H_SOURCE_APD020 indicates that there is an issue with the structure of an Analysis Process Designer (APD) process in SAP BW (Business Warehouse). Specifically, it means that the APD process you are trying to execute does not have a valid structure, which can prevent it from running successfully.
  Causes:
  
  Invalid or Missing Data Source: The data source defined in the APD process may not be valid or may have been deleted or modified.
  Incorrect Configuration: The configuration of the APD process may be incorrect, such as missing key fields or incorrect mappings.
  Changes in Data Model: If there have been changes in the underlying data model (e.g., InfoObjects, InfoProviders), it may lead to the APD process becoming invalid.
  Transport Issues: If the APD process was transported from one system to another, it may not have been transported correctly, leading to structural issues.
  Version Compatibility: The version of the BW system may not support certain features or structures used in the APD process.
  
  Solutions:
  
  Check Data Source: Verify that the data source used in the APD process is valid and exists in the system. If it has been deleted or modified, you may need to update the APD process accordingly.
  Review Configuration: Open the APD process in the Analysis Process Designer and check the configuration. Ensure that all required fields are correctly mapped and that the structure is valid.
  Recreate the APD Process: If the process is too complex to troubleshoot, consider recreating the APD process from scratch to ensure that it has a valid structure.
  Check for Changes: Review any recent changes made to the data model or InfoProviders that may affect the APD process. Update the process to align with the current data model.
  Transport Validation: If the process was transported, check the transport logs for any errors and ensure that all dependencies were transported correctly.
  Consult Documentation: Refer to SAP documentation or notes related to APD processes for any known issues or updates that may affect the process.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues related to the specific error message or APD processes in general.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they found effective.
  BW Documentation: Review the official SAP BW documentation for best practices in configuring and managing APD processes.
  
  If the issue persists after trying the above solutions, it may be beneficial to involve your SAP Basis or BW support team for further investigation.