How To Fix /SAPAPO/OM_ERROR2421 - RPM order must have at least one activity with modes

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPAPO/OM_ERROR2 -

• Message number: 421

• Message text: RPM order must have at least one activity with modes

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SAPAPO/OM_ERROR2421 - RPM order must have at least one activity with modes ?

  The SAP error message /SAPAPO/OM_ERROR2421 indicates that a Resource Planning Management (RPM) order in SAP Advanced Planning and Optimization (APO) does not have any activities assigned with modes. This error typically arises when you are trying to create or process an RPM order that requires at least one activity to be defined with a mode, which is essential for the planning and scheduling of resources.
  Cause:
  
  Missing Activity Definition: The RPM order does not have any activities defined, or the activities that are defined do not have any modes assigned to them.
  Incorrect Configuration: The configuration of the resource or the activity might not be set up correctly to allow for mode assignment.
  Data Entry Error: There may have been an oversight during the order creation process where activities were not properly defined.
  
  Solution:
  
  
  Check Activity Assignment:
  
  Go to the RPM order in question and check the activities assigned to it.
  Ensure that at least one activity is defined for the order.
  
  
  
  Assign Modes to Activities:
  
  For each activity defined in the RPM order, ensure that a mode is assigned. This can typically be done in the activity details section of the order.
  If modes are not available, check the configuration of the resource to ensure that modes are defined.
  
  
  
  Review Resource Configuration:
  
  Navigate to the resource master data and verify that the modes are correctly configured for the resource being used in the RPM order.
  Ensure that the resource is set up to allow for mode assignment.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or help resources for detailed steps on how to define activities and assign modes in RPM orders.
  
  
  
  Testing:
  
  After making the necessary changes, try to recreate or process the RPM order to see if the error persists.
  
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide additional troubleshooting steps.
  Transaction Codes: Familiarize yourself with transaction codes related to RPM and resource planning, such as /SAPAPO/RPM for managing RPM orders.
  User Roles and Authorizations: Ensure that the user has the necessary authorizations to create and modify RPM orders and their associated activities.
  
  By following these steps, you should be able to resolve the error and successfully process your RPM order in SAP APO.