How To Fix /PM0/3FW_CHK_MESS505 - Process exception manager class &1 of application &2 does not exist

SAP Error Message - Details

• Message type: E = Error

• Message class: /PM0/3FW_CHK_MESS -

• Message number: 505

• Message text: Process exception manager class &1 of application &2 does not exist

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message /PM0/3FW_CHK_MESS505 - Process exception manager class &1 of application &2 does not exist ?

  The SAP error message /PM0/3FW_CHK_MESS505 indicates that there is an issue with the Process Exception Manager (PEM) in SAP, specifically that a certain class of the application does not exist. This error typically arises in the context of process management and exception handling within SAP systems.
  Cause:
  
  Missing Class Definition: The specified class (&1) for the application (&2) is not defined in the system. This could be due to a configuration issue or a missing implementation.
  Incorrect Configuration: The application might be incorrectly configured, leading to the system looking for a class that has not been set up.
  Transport Issues: If the system has recently undergone a transport of changes, the class may not have been included or properly transported.
  Version Mismatch: There may be a version mismatch between the application and the exception manager, leading to the class not being recognized.
  
  Solution:
  
  Check Class Definition: Verify if the class specified in the error message exists in the system. You can do this by navigating to the relevant transaction (e.g., SE24 for class definitions) and checking for the existence of the class.
  Review Configuration: Ensure that the configuration for the Process Exception Manager is correct. This may involve checking the settings in the relevant customizing transactions.
  Transport Check: If the issue arose after a transport, check the transport logs to ensure that all necessary objects were included and successfully imported.
  Recreate Class: If the class is missing, you may need to recreate it or restore it from a backup if available.
  Consult Documentation: Review SAP documentation or notes related to the Process Exception Manager for any specific requirements or known issues.
  Contact SAP Support: If the issue persists, consider reaching out to SAP support for assistance, especially if this is a production environment.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SE24 (Class Builder), SE80 (Object Navigator), and SPRO (Customizing).
  SAP Notes: Search for SAP Notes related to the Process Exception Manager and the specific error message for any patches or updates that may resolve the issue.
  System Logs: Check system logs (transaction SLG1) for any additional error messages or warnings that may provide more context about the issue.
  
  By following these steps, you should be able to identify the root cause of the error and implement a solution to resolve it.