How To Fix /ISDFPS/SYNC135 - Ready indicator for ALE inbound processing: &1

SAP Error Message - Details

• Message type: E = Error

• Message class: /ISDFPS/SYNC -

• Message number: 135

• Message text: Ready indicator for ALE inbound processing: &1

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /ISDFPS/SYNC135 - Ready indicator for ALE inbound processing: &1 ?

  The SAP error message /ISDFPS/SYNC135 Ready indicator for ALE inbound processing: &1 typically relates to issues with the Application Link Enabling (ALE) process in SAP, particularly in the context of data synchronization between systems. This error indicates that the system is not ready to process inbound ALE messages, which can be due to various reasons.
  Causes:
  
  Configuration Issues: The ALE configuration might not be set up correctly. This includes settings in the Distribution Model, Logical Systems, and Partner Profiles.
  System Status: The system may be in a status that does not allow for inbound processing, such as being in a maintenance mode or having certain locks in place.
  Message Processing Errors: There could be issues with the messages being sent, such as incorrect data formats or missing mandatory fields.
  Network Issues: Problems with the network or connectivity between the systems can also lead to this error.
  Authorization Issues: The user or process attempting to perform the inbound processing may not have the necessary authorizations.
  
  Solutions:
  
  Check Configuration: Review the ALE configuration settings in transaction codes like BD64 (Distribution Model) and WE20 (Partner Profiles) to ensure they are correctly set up.
  System Status: Verify the system status to ensure it is not in a mode that prevents processing. Check for any locks or maintenance activities that might be affecting the system.
  Message Monitoring: Use transaction SM58 to monitor and analyze the status of the outbound and inbound messages. Look for any errors or messages that indicate why processing cannot occur.
  Check Logs: Review the application logs (transaction SLG1) for any additional error messages or warnings that could provide more context on the issue.
  Network Connectivity: Ensure that there are no network issues affecting communication between the systems involved in the ALE process.
  Authorization Check: Confirm that the user or process has the necessary authorizations to perform the inbound processing.
  
  Related Information:
  
  Transaction Codes:
  
  BD64: Distribution Model
  WE20: Partner Profiles
  SM58: Asynchronous RFC (aRFC) Monitor
  SLG1: Application Log
  
  
  Documentation: Refer to SAP Help documentation for ALE and IDoc processing for more detailed information on configuration and troubleshooting.
  SAP Notes: Check for any relevant SAP Notes that may address specific issues related to this error message.
  
  If the issue persists after checking the above points, it may be beneficial to consult with your SAP Basis or technical team for further investigation.