How To Fix FAGL_ALE031 - Communication error during parallel processing

SAP Error Message - Details

• Message type: E = Error

• Message class: FAGL_ALE - Single Document and Totals Document Transfer

• Message number: 031

• Message text: Communication error during parallel processing

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message FAGL_ALE031 - Communication error during parallel processing ?

  The SAP error message FAGL_ALE031, which indicates a "Communication error during parallel processing," typically arises in the context of the General Ledger (G/L) accounting module when there are issues with the communication between different systems or processes during parallel processing tasks. This can occur in various scenarios, such as during data transfers, batch jobs, or when using ALE (Application Link Enabling) for data distribution.
  Causes:
  
  Network Issues: Temporary network disruptions or connectivity problems between the systems involved in the parallel processing.
  Configuration Errors: Incorrect settings in the ALE configuration or in the RFC (Remote Function Call) destinations.
  System Load: High system load or resource contention that affects the ability of the system to process requests in parallel.
  Authorization Issues: Insufficient authorizations for the user or system trying to execute the parallel processing tasks.
  Data Consistency Issues: Problems with the data being processed, such as missing or inconsistent data that leads to communication failures.
  
  Solutions:
  
  Check Network Connectivity: Ensure that there are no network issues between the systems. You can use tools like ping or traceroute to diagnose connectivity problems.
  Review ALE Configuration: Verify the ALE configuration settings in transaction WE20 and ensure that the RFC destinations are correctly set up in transaction SM59.
  Monitor System Performance: Check the system performance and resource utilization. If the system is under heavy load, consider scheduling the parallel processing jobs during off-peak hours.
  Check Authorizations: Ensure that the user or system has the necessary authorizations to perform the tasks involved in the parallel processing.
  Analyze Logs: Review the application logs (transaction SLG1) and system logs (transaction SM21) for any additional error messages or warnings that could provide more context about the issue.
  Retry the Process: Sometimes, simply retrying the process after a short period can resolve transient issues.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SM59 (RFC Destinations), WE20 (Partner Profiles), SLG1 (Application Log), and SM21 (System Log).
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide patches and updates that could resolve underlying issues.
  Documentation: Review SAP documentation related to ALE and parallel processing for best practices and troubleshooting steps.
  
  If the issue persists after trying the above solutions, it may be necessary to engage SAP support for further assistance, providing them with detailed logs and error messages for a more in-depth analysis.