How To Fix UPGBA020 - Duplicate instantiation of the logger class (LogID:&1, PID:&2, RUNID:&3)

UPGBA020 - Overview

• Message type: E = Error

• Message class: UPGBA - Upgrade compatible logging framework messages

• Message number: 020

• Message text: Duplicate instantiation of the logger class (LogID:&1, PID:&2, RUNID:&3)

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message UPGBA020 - Duplicate instantiation of the logger class (LogID:&1, PID:&2, RUNID:&3) ?

  The SAP error message UPGBA020 indicates that there is a duplicate instantiation of the logger class in your SAP system. This typically occurs when the logging mechanism is trying to create multiple instances of the same logger, which can lead to conflicts and unexpected behavior.
  
  Cause:
  
  Multiple Logger Instances: The most common cause of this error is that the logger class is being instantiated multiple times in the same context or session. This can happen due to incorrect configuration or coding practices.
  Concurrency Issues: If multiple processes or threads are trying to instantiate the logger simultaneously, it can lead to this error.
  Configuration Errors: Misconfiguration in the logging framework or incorrect settings in the application can also lead to duplicate logger instances.
  
  
  Solution:
  
  
  Check Logger Instantiation: Review the code where the logger is instantiated. Ensure that the logger is instantiated only once, preferably as a singleton. This can be done by using a static method or