How To Fix /SAPAPO/DC_MSG049 - Node definition &1 has reference &2, which is not defined

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPAPO/DC_MSG -

• Message number: 049

• Message text: Node definition &1 has reference &2, which is not defined

Self-Explanatory Message

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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/DC_MSG049 - Node definition &1 has reference &2, which is not defined ?

  The SAP error message /SAPAPO/DC_MSG049 indicates that there is a problem with a node definition in the SAP Advanced Planning and Optimization (APO) system. Specifically, it means that a node (identified by &1) has a reference to another node (identified by &2) that is not defined in the system. This can occur in various contexts, such as in the configuration of a supply chain model, a planning area, or a master data setup.
  Cause
  The error can be caused by several factors:
  
  Missing Node Definition: The referenced node (&2) has not been created or is not active in the system.
  Incorrect Configuration: There may be a misconfiguration in the planning area or the master data setup that leads to the reference being invalid.
  Transport Issues: If the configuration was transported from another system, the referenced node may not have been included in the transport request.
  Data Consistency Issues: There may be inconsistencies in the data that lead to the system being unable to resolve the reference.
  
  Solution
  To resolve this error, you can take the following steps:
  
  
  Check Node Definitions:
  
  Go to the relevant transaction (e.g., /SAPAPO/MC90 for planning area maintenance) and verify that both the node (&1) and the referenced node (&2) are defined and active.
  If the referenced node is missing, you will need to create it.
  
  
  
  Review Configuration:
  
  Ensure that the configuration for the planning area or the master data is correct. Check for any typos or incorrect references in the configuration settings.
  
  
  
  Transport Check:
  
  If the configuration was transported from another system, check the transport logs to ensure that all necessary objects were included in the transport request. If not, you may need to transport the missing node definition.
  
  
  
  Data Consistency Check:
  
  Run consistency checks in the APO system to identify any other potential issues that may be causing the error. You can use transaction /SAPAPO/CCMS to monitor and check for inconsistencies.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or notes related to the specific version of APO you are using for any known issues or additional troubleshooting steps.
  
  
  
  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: Familiarize yourself with relevant transaction codes such as /SAPAPO/MC90 (Planning Area Maintenance), /SAPAPO/OM17 (Node Definition), and /SAPAPO/CCMS (Monitoring).
  SAP Notes: Search for SAP Notes related to this error message for any patches or updates that may address the issue.
  Documentation: Review the SAP APO documentation for best practices in node and planning area configuration.
  
  By following these steps, you should be able to identify and resolve the issue related to the error message /SAPAPO/DC_MSG049.