How To Fix /SAPAPO/OM_ERROR2255 - RPM is not active

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPAPO/OM_ERROR2 -

• Message number: 255

• Message text: RPM is not active

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/OM_ERROR2255 - RPM is not active ?

  The SAP error message /SAPAPO/OM_ERROR2255 RPM is not active typically occurs in the context of SAP Advanced Planning and Optimization (APO) when trying to perform operations related to the Resource Planning Module (RPM). This error indicates that the RPM functionality is not currently active in the system.
  Cause:
  
  RPM Not Activated: The most common cause of this error is that the RPM component is not activated in the SAP system. This could be due to configuration settings or the specific version of SAP APO being used.
  Missing Authorizations: Sometimes, the user may not have the necessary authorizations to access the RPM functionalities.
  System Configuration: The system may not be properly configured to use RPM, or it may be in a state where it cannot access the required resources.
  
  Solution:
  
  
  Activate RPM:
  
  Check if the RPM is activated in your SAP APO system. You can do this by navigating to the relevant configuration settings in the SAP GUI.
  Go to the transaction code /SAPAPO/RC1 (or similar) to check the settings related to RPM.
  If RPM is not activated, you may need to activate it through the configuration settings.
  
  
  
  Check Authorizations:
  
  Ensure that the user encountering the error has the necessary authorizations to access RPM functionalities. This can be checked with your SAP security team or by reviewing the user roles assigned.
  
  
  
  System Configuration:
  
  Review the system configuration to ensure that all necessary components for RPM are correctly set up. This may involve checking the integration with other modules or ensuring that all required data is available.
  
  
  
  Consult Documentation:
  
  Refer to the SAP documentation or help notes related to RPM for any specific configuration steps or prerequisites that may have been missed.
  
  
  
  Contact SAP Support:
  
  If the issue persists after checking the above points, consider reaching out to SAP support for further assistance. They may provide additional insights or patches if the issue is related to a known bug.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as /SAPAPO/RC1 for configuration and /SAPAPO/OM for order management.
  SAP Notes: Search for SAP Notes related to RPM and the specific error message for any updates or fixes that may be applicable.
  User Forums: Engage with SAP community forums or user groups where similar issues may have been discussed, providing insights or solutions from other users' experiences.
  
  By following these steps, you should be able to diagnose and resolve the /SAPAPO/OM_ERROR2255 RPM is not active error in your SAP system.