How To Fix /SAPAPO/OM_ERROR2423 - RPM order must have exactly one master output node

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPAPO/OM_ERROR2 -

• Message number: 423

• Message text: RPM order must have exactly one master output node

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SAPAPO/OM_ERROR2423 - RPM order must have exactly one master output node ?

  The SAP error message /SAPAPO/OM_ERROR2423 indicates that there is an issue with a Resource Planning Management (RPM) order in SAP Advanced Planning and Optimization (APO). Specifically, the error states that the RPM order must have exactly one master output node. This typically occurs when the configuration of the order does not meet the requirements for a valid RPM order.
  Cause:
  
  Multiple Output Nodes: The RPM order is configured with more than one master output node, which is not allowed. An RPM order should have a single master output node to ensure proper planning and execution.
  Missing Output Node: Conversely, if there is no master output node defined for the order, this error can also occur.
  Configuration Issues: There may be issues in the configuration of the master data related to the order, such as the production process model or the resource setup.
  
  Solution:
  
  
  Check the Order Configuration:
  
  Go to the order in question and check the output nodes defined for it.
  Ensure that there is exactly one master output node assigned to the order.
  
  
  
  Adjust Master Data:
  
  Review the master data settings for the resource and the production process model.
  Ensure that the master output node is correctly defined in the relevant master data.
  
  
  
  Modify the Order:
  
  If the order has multiple output nodes, you may need to modify it to ensure that only one master output node is present.
  If necessary, create a new order with the correct configuration.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or help resources for detailed information on configuring RPM orders and understanding the requirements for output nodes.
  
  
  
  Testing:
  
  After making the necessary changes, test the order again to ensure that the error is resolved.
  
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may provide additional insights or patches related to this error.
  Transaction Codes: Familiarize yourself with transaction codes such as /SAPAPO/OM_ORDER for order management and /SAPAPO/OM_MAINTAIN for maintaining master data.
  Support: If the issue persists after following the above steps, consider reaching out to SAP support for further assistance.
  
  By ensuring that the RPM order is configured correctly with a single master output node, you should be able to resolve the error message /SAPAPO/OM_ERROR2423.