How To Fix /SAPAPO/PE120 - Class &1 of data manager &2 does not exist

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPAPO/PE -

• Message number: 120

• Message text: Class &1 of data manager &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 /SAPAPO/PE120 - Class &1 of data manager &2 does not exist ?

  The SAP error message /SAPAPO/PE120 Class &1 of data manager &2 does not exist typically occurs in the context of SAP Advanced Planning and Optimization (APO) when the system is unable to find a specific class associated with a data manager. This can happen for various reasons, including configuration issues or missing data.
  Cause:
  
  Missing Class Definition: The class specified in the error message does not exist in the system. This could be due to a misconfiguration or an incomplete setup.
  Incorrect Data Manager Configuration: The data manager might be incorrectly configured, pointing to a class that is not defined or has been deleted.
  Transport Issues: If the system has recently undergone a transport of changes, the class may not have been transported correctly.
  Authorization Issues: Sometimes, the user may not have the necessary authorizations to access the class or data manager.
  
  Solution:
  
  
  Check Class Definition:
  
  Go to transaction CL02 (Class Maintenance) and check if the class specified in the error message exists.
  If it does not exist, you may need to create it or restore it from a backup if it was deleted.
  
  
  
  Review Data Manager Configuration:
  
  Use transaction /SAPAPO/DM to access the Data Manager settings.
  Verify that the data manager is correctly configured and that it points to the correct class.
  
  
  
  Transport Check:
  
  If the issue arose after a transport, check the transport logs to ensure that all necessary objects were transported correctly.
  If something is missing, you may need to re-transport the relevant objects.
  
  
  
  Authorization Check:
  
  Ensure that the user has the necessary authorizations to access the class and data manager.
  You can check this in transaction SU53 after the error occurs to see if there are any authorization issues.
  
  
  
  Consult Documentation:
  
  Review SAP documentation or notes related to the specific version of APO you are using, as there may be known issues or patches available.
  
  
  
  Contact SAP Support:
  
  If the issue persists after checking the above points, consider reaching out to SAP support for further assistance.
  
  
  
  Related Information:
  
  Transaction Codes:
  
  CL02: Class Maintenance
  /SAPAPO/DM: Data Manager
  SU53: Authorization Check
  
  
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address this specific error or provide additional troubleshooting steps.
  Documentation: Review the SAP APO documentation for details on data managers and class configurations.
  
  By following these steps, you should be able to identify and resolve the issue related to the error message /SAPAPO/PE120 Class &1 of data manager &2 does not exist.