How To Fix 55500 - Internal error: application log object &1 is already open

SAP Error Message - Details

• Message type: E = Error

• Message class: 55 - Messages for development class EENO

• Message number: 500

• Message text: Internal error: application log object &1 is already open

What causes this issue?

This application log object (&V1&) should be opened, even though it is
already open.
This is a program error that can only be rectified by SAP.

System Response

The system does not permit you to open the application log object.

How to fix this error?

Note the following:
transaction
entries leading to the error
message text
and send a problem message to SAP.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message 55500 - Internal error: application log object &1 is already open ?

  The SAP error message "55500 Internal error: application log object &1 is already open" typically indicates that there is an issue with the application log management in SAP. This error occurs when an attempt is made to open an application log object that is already in use or has not been properly closed from a previous operation.
  Cause:
  
  Concurrent Access: The application log object is being accessed by another process or user, leading to a conflict.
  Unclosed Log: The previous log session was not properly closed, which can happen due to system crashes, abrupt terminations, or programming errors.
  Locking Issues: There may be locking issues in the database or application layer that prevent the log from being accessed.
  
  Solution:
  
  
  Check for Active Sessions: Verify if there are any active sessions or processes that are currently using the application log object. You can use transaction codes like SM12 (to check locks) or SM21 (to view system logs) to identify any issues.
  
  
  Close Open Logs: If you have access to the relevant transaction or program, try to close any open logs. This may involve running the program again or using specific functions to finalize the log.
  
  
  Restart the Transaction: Sometimes, simply restarting the transaction or program that is causing the error can resolve the issue.
  
  
  Check for Background Jobs: If the log is being accessed by a background job, check the status of that job. You can use transaction SM37 to monitor background jobs.
  
  
  Debugging: If you are a developer or have access to debugging tools, you can analyze the code to ensure that the application log is being opened and closed correctly.
  
  
  System Restart: In some cases, a system restart may be necessary to clear any locks or issues that are preventing access to the application log.
  
  
  Contact SAP Support: If the issue persists and you cannot identify the cause, it may be necessary to contact SAP support for further assistance. They can provide insights based on the specific context of your system.
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SLG1 (to view application logs), SM12 (to check for locks), and SM21 (to view system logs).
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error or provide patches and updates.
  Documentation: Review SAP documentation related to application logging and error handling for best practices and troubleshooting steps.
  
  By following these steps, you should be able to diagnose and resolve the error related to the application log object being already open.