How To Fix /ISDFPS/SYNC104 - Starting ALE inbound processing for &1

SAP Error Message - Details

• Message type: E = Error

• Message class: /ISDFPS/SYNC -

• Message number: 104

• Message text: Starting ALE inbound processing for &1

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /ISDFPS/SYNC104 - Starting ALE inbound processing for &1 ?

  The SAP error message /ISDFPS/SYNC104 Starting ALE inbound processing for &1 typically relates to issues in the Application Link Enabling (ALE) process, which is used for data distribution between different SAP systems or between different applications within the same system. This message indicates that the system is attempting to start the inbound processing of an ALE message, but there may be issues that prevent it from completing successfully.
  Possible Causes:
  
  Configuration Issues: The ALE configuration may not be set up correctly. This includes settings in the Distribution Model, Logical Systems, and Partner Profiles.
  Message Format Errors: The data being sent may not conform to the expected format or structure, leading to processing errors.
  Authorization Issues: The user or system may not have the necessary authorizations to process the inbound message.
  Network Issues: There may be connectivity problems between the systems involved in the ALE process.
  System Performance: High load on the system may cause delays or failures in processing inbound messages.
  
  Solutions:
  
  
  Check Configuration:
  
  Verify the ALE configuration settings in transaction BD64 (Distribution Model) and WE20 (Partner Profiles).
  Ensure that the logical systems are correctly defined and that the necessary message types are included in the distribution model.
  
  
  
  Review Message Format:
  
  Check the structure of the inbound message to ensure it matches the expected format. You can use transaction WE02 or WE05 to analyze the IDocs and see if there are any errors.
  
  
  
  Authorization Check:
  
  Ensure that the user or system processing the inbound message has the necessary authorizations. You can check this in transaction SU53 after an authorization failure occurs.
  
  
  
  Network Connectivity:
  
  Test the network connection between the systems involved. Ensure that there are no firewalls or network issues blocking the communication.
  
  
  
  Monitor System Performance:
  
  Use transaction SM37 to check for any long-running jobs or background processes that may be affecting system performance. If the system is under heavy load, consider scheduling the processing during off-peak hours.
  
  
  
  Check Logs:
  
  Review the application logs in transaction SLG1 for any additional error messages or warnings that may provide more context about the issue.
  
  
  
  Related Information:
  
  
  Transaction Codes:
  
  BD64: Distribution Model
  WE20: Partner Profiles
  WE02 / WE05: IDoc Monitoring
  SM37: Job Monitoring
  SLG1: Application Log
  
  
  
  Documentation: Refer to SAP Help documentation for ALE and IDoc processing for more detailed information on configuration and troubleshooting.
  
  
  If the issue persists after checking these areas, it may be beneficial to consult with your SAP Basis or technical team for further investigation.