How To Fix R8347 - The ALE delta info key is different to the DataSource

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 347

• Message text: The ALE delta info key is different to the DataSource

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message R8347 - The ALE delta info key is different to the DataSource ?

  The SAP error message R8347, which states "The ALE delta info key is different to the DataSource," typically occurs in the context of SAP's Application Link Enabling (ALE) and data replication processes, particularly when dealing with delta data extraction from a source system to a target system.
  Cause:
  This error usually arises due to a mismatch between the delta information key in the source system and the DataSource configuration in the target system. The delta information key is used to track changes in the data, and if there is a discrepancy, it can lead to issues in data replication. Common causes include:
  
  Configuration Changes: Changes made to the DataSource configuration in the source system that are not reflected in the target system.
  Inconsistent Delta Handling: If the delta mechanism is not set up correctly or if there are inconsistencies in how delta records are being processed.
  Transport Issues: If the DataSource was transported from one system to another without proper adjustments, it may lead to mismatches.
  DataSource Deactivation: If the DataSource was deactivated and then reactivated, it might have led to a change in the delta information key.
  
  Solution:
  To resolve the R8347 error, you can follow these steps:
  
  
  Check DataSource Configuration:
  
  Verify the configuration of the DataSource in both the source and target systems. Ensure that they match, especially the delta settings.
  
  
  
  Reinitialize Delta:
  
  If the delta information key is indeed different, you may need to reinitialize the delta for the DataSource. This involves:
  
  Deleting the existing delta queue.
  Reinitializing the delta process to ensure that the delta information key is correctly set.
  
  
  
  
  
  Transport Adjustments:
  
  If the DataSource was transported, ensure that all necessary adjustments were made in the target system to align with the source system.
  
  
  
  Check for Notes and Patches:
  
  Look for any SAP Notes or patches related to the specific DataSource or ALE configuration that might address known issues.
  
  
  
  Consult Documentation:
  
  Review the SAP documentation for the specific DataSource to ensure that all settings are correctly configured.
  
  
  
  System Logs:
  
  Check the system logs for any additional error messages or warnings that might provide more context about the issue.
  
  
  
  Related Information:
  
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that might address this specific error or provide guidance on delta configuration.
  ALE and IDoc Documentation: Familiarize yourself with ALE and IDoc processing in SAP, as understanding these concepts can help in troubleshooting similar issues.
  DataSource Documentation: Review the specific DataSource documentation for any peculiarities or special configurations that may be required.
  
  By following these steps, you should be able to identify and resolve the cause of the R8347 error in your SAP system.