How To Fix SY135 - File & is already open

SAP Error Message - Details

• Message type: E = Error

• Message class: SY - ABAP/4 system messages

• Message number: 135

• Message text: File & is already open

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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Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

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Smart SAP Assistant

• What is the cause and solution for SAP error message SY135 - File & is already open ?

  The SAP error message "SY135 File & is already open" typically occurs when a program or transaction attempts to access a file that is already open by another process or user. This can happen in various scenarios, such as when multiple users are trying to access the same file simultaneously or when a previous session did not close the file properly.
  Causes:
  
  Concurrent Access: Another user or process has the file open, preventing your session from accessing it.
  Improper Closure: A previous session or program did not close the file correctly, leaving it in an open state.
  File Locking Mechanism: SAP uses a locking mechanism to prevent data corruption, and if a file is locked, it cannot be accessed until it is released.
  System Errors: Occasionally, system errors or crashes can leave files in an open state.
  
  Solutions:
  
  Check for Open Sessions: Verify if another user or session has the file open. You can use transaction codes like SM12 (to check for locks) or SM21 (to check system logs) to identify any active sessions.
  Close Unused Sessions: If you find that a session is holding the file open unnecessarily, you can close that session or ask the user to do so.
  Wait and Retry: If the file is being used by another process, you may need to wait until it is released before trying again.
  Restart the Program: Sometimes, simply restarting the program or transaction can resolve the issue.
  Check for Background Jobs: If the file is being accessed by a background job, you may need to wait for that job to complete.
  Contact Support: If the issue persists and you cannot identify the cause, it may be necessary to contact your SAP support team for further assistance.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with transaction codes like SM12 for lock entries, SM21 for system logs, and SM37 for monitoring background jobs.
  SAP Notes: Check SAP Notes for any known issues or patches related to file handling and locking mechanisms.
  Documentation: Review SAP documentation for best practices on file handling and session management to avoid similar issues in the future.
  
  By following these steps, you should be able to diagnose and resolve the "SY135 File & is already open" error in SAP.