How To Fix /PM0/ABP_PP002 - Run session is already initialized

SAP Error Message - Details

• Message type: E = Error

• Message class: /PM0/ABP_PP -

• Message number: 002

• Message text: Run session is already initialized

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /PM0/ABP_PP002 - Run session is already initialized ?

  The SAP error message /PM0/ABP_PP002 Run session is already initialized typically occurs in the context of the Advanced Business Application Programming (ABAP) environment, particularly when dealing with session management in SAP. This error indicates that a session that is supposed to be initialized for a specific process or transaction is already in an initialized state, which can lead to conflicts or unexpected behavior.
  Causes:
  
  Multiple Initializations: The most common cause is that the session has already been initialized, and a subsequent attempt to initialize it again is being made.
  Program Logic Errors: There may be issues in the ABAP code where the initialization logic is not properly controlled, leading to multiple initializations.
  Concurrency Issues: If multiple users or processes are trying to initialize the same session simultaneously, it can lead to this error.
  Session Management Issues: Problems with how sessions are managed in the application, such as not properly closing or resetting sessions after use.
  
  Solutions:
  
  
  Check Initialization Logic: Review the ABAP code to ensure that the session initialization is only called once. Implement checks to see if the session is already initialized before attempting to initialize it again.
  IF NOT session_initialized.
      " Initialize session
      session_initialized = abap_true.
  ENDIF.
  
  
  Session Reset: If the session is in an incorrect state, consider resetting or clearing the session before re-initializing it. This may involve adding logic to clean up or reset the session state.
  
  
  Error Handling: Implement proper error handling to catch this specific error and take appropriate actions, such as logging the error or notifying the user.
  
  
  Concurrency Control: If the issue is related to concurrent access, consider implementing locking mechanisms or using transaction management techniques to prevent multiple initializations.
  
  
  Debugging: Use the SAP debugger to trace the execution flow and identify where the initialization is being called multiple times. This can help pinpoint the exact location in the code that needs to be modified.
  
  
  Consult Documentation: Review SAP documentation or notes related to the specific transaction or program you are working with, as there may be known issues or patches available.
  
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. SAP frequently updates its knowledge base with solutions to common problems.
  Transaction Codes: Familiarize yourself with relevant transaction codes that may help in monitoring or managing sessions, such as SM37 (Job Monitoring) or SM21 (System Log).
  Community Forums: Engage with SAP community forums or user groups where similar issues may have been discussed, and solutions shared.
  
  If the problem persists after trying the above solutions, it may be beneficial to reach out to SAP support for further assistance.