How To Fix R8307 - Error when calling extraction function & for hierarchy in source system

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 307

• Message text: Error when calling extraction function & for hierarchy in source system

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 R8307 - Error when calling extraction function & for hierarchy in source system ?

  The SAP error message R8307 typically indicates an issue with the extraction of data from a source system, particularly when dealing with hierarchies. This error can occur in various contexts, such as during the extraction of data from SAP BW (Business Warehouse) or when using SAP Data Services.
  Cause of Error R8307
  The error message R8307 can be caused by several factors, including:
  
  
  Hierarchy Structure Issues: The hierarchy structure in the source system may not be correctly defined or may have inconsistencies. This can include missing nodes, circular references, or incorrect parent-child relationships.
  
  
  Data Inconsistencies: There may be inconsistencies in the data that prevent the extraction function from processing the hierarchy correctly.
  
  
  Authorization Issues: The user or process attempting to perform the extraction may not have the necessary authorizations to access the hierarchy data.
  
  
  Technical Issues: There could be technical issues with the extraction function itself, such as bugs or misconfigurations in the extraction settings.
  
  
  Version Compatibility: If there are version mismatches between the source system and the SAP BW system, it may lead to extraction errors.
  
  
  Solutions to Error R8307
  To resolve the R8307 error, you can take the following steps:
  
  
  Check Hierarchy Definitions: Review the hierarchy definitions in the source system to ensure they are correctly set up. Look for any missing nodes or incorrect relationships.
  
  
  Validate Data: Perform data validation checks to identify any inconsistencies or errors in the data that may be causing the extraction to fail.
  
  
  Review Authorizations: Ensure that the user or process executing the extraction has the necessary authorizations to access the hierarchy data.
  
  
  Check Extraction Settings: Review the extraction settings in the SAP BW system to ensure they are correctly configured. This includes checking the extraction function module and any related settings.
  
  
  Debugging: If you have access to debugging tools, you can debug the extraction process to identify the exact point of failure and gather more information about the error.
  
  
  Consult SAP Notes: Check the SAP Support Portal for any relevant SAP Notes or patches that may address this specific error. SAP frequently releases updates and fixes for known issues.
  
  
  Contact SAP Support: If the issue persists after trying the above solutions, consider reaching out to SAP Support for further assistance. Provide them with detailed information about the error, including any logs or screenshots.
  
  
  Related Information
  
  SAP BW Documentation: Review the official SAP BW documentation for guidelines on hierarchy extraction and troubleshooting.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they found effective.
  Training and Resources: Consider training resources or workshops on SAP BW and data extraction processes to enhance your understanding and troubleshooting skills.
  
  By following these steps, you should be able to identify and resolve the cause of the R8307 error in your SAP environment.