How To Fix SAFTN_XX002 - Cannot read lock due to communication_failure or system_failure.

SAP Error Message - Details

• Message type: E = Error

• Message class: SAFTN_XX - SAF-T Cross-Module, Cross-Country

• Message number: 002

• Message text: Cannot read lock due to communication_failure or system_failure.

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.

Unfortunately, there isn't any extra information in this error notice.

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Smart SAP Assistant

• What is the cause and solution for SAP error message SAFTN_XX002 - Cannot read lock due to communication_failure or system_failure. ?

  The SAP error message SAFTN_XX002 indicating "Cannot read lock due to communication_failure or system_failure" typically arises in scenarios where there is an issue with the communication between the SAP application server and the database or when there is a failure in the system that prevents the lock from being read.
  Causes:
  
  Network Issues: Problems in the network can lead to communication failures between the application server and the database.
  Database Issues: The database may be down, unresponsive, or experiencing performance issues.
  Lock Table Issues: The lock table may be corrupted or not accessible due to system issues.
  System Resource Limitations: Insufficient system resources (CPU, memory, etc.) can lead to failures in processing requests.
  Configuration Issues: Incorrect configuration settings in the SAP system or database can lead to communication problems.
  Transport Layer Issues: Problems in the transport layer (e.g., TCP/IP) can also cause communication failures.
  
  Solutions:
  
  Check Network Connectivity: Ensure that there are no network issues between the SAP application server and the database. You can use tools like ping or traceroute to diagnose network problems.
  Database Status: Verify that the database is up and running. Check for any error messages in the database logs that might indicate issues.
  Review System Logs: Check the SAP system logs (transaction SM21) and the developer traces (transaction ST22) for any related error messages that could provide more context.
  Restart Services: If the issue persists, consider restarting the SAP application server or the database server to clear any temporary issues.
  Check Lock Table: Use transaction SM12 to check for any locks that may be causing issues. You can also clear unnecessary locks if they are stale.
  System Resources: Monitor system resources to ensure that the server has enough CPU and memory available. If resources are low, consider optimizing or upgrading the hardware.
  Configuration Review: Review the configuration settings for both the SAP system and the database to ensure they are correctly set up.
  Consult SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error message.
  
  Related Information:
  
  Transaction Codes: 
  
  SM21: System Log
  ST22: Dump Analysis
  SM12: Display and Delete Locks
  SM37: Job Monitoring
  
  
  SAP Support: If the issue persists after trying the above solutions, consider reaching out to SAP Support for further assistance, providing them with detailed logs and error messages for better diagnosis.
  
  By following these steps, you should be able to identify and resolve the underlying cause of the SAFTN_XX002 error.