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

55500 - Overview

• 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)