How To Fix AW251 - You are not allowed to maintain settlement rules for network header

SAP Error Message - Details

• Message type: E = Error

• Message class: AW - AuC messages

• Message number: 251

• Message text: You are not allowed to maintain settlement rules for network header

What causes this issue?

The network is activity assigned. In activity-assigned networks, you
may maintain settlement rules only for the individual activities.

How to fix this error?

Maintain the settlement rules for the individual activities.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message AW251 - You are not allowed to maintain settlement rules for network header ?

  The SAP error message AW251 ("You are not allowed to maintain settlement rules for network header") typically occurs when a user attempts to maintain settlement rules for a network header in a project system (PS) or related module, but does not have the necessary authorizations or the system settings do not allow it.
  Cause:
  
  Authorization Issues: The user may not have the required authorizations to maintain settlement rules for the network header. This is often controlled by user roles and profiles in SAP.
  Configuration Settings: The system may be configured in such a way that it restricts the maintenance of settlement rules for network headers.
  Network Header Status: The status of the network header may not allow changes to settlement rules. For example, if the network is already settled or in a locked state, changes may not be permitted.
  
  Solution:
  
  
  Check Authorizations:
  
  Verify the user's roles and authorizations in the SAP system. Ensure that the user has the necessary permissions to maintain settlement rules for network headers.
  You can use transaction code SU53 to check for authorization failures after the error occurs.
  
  
  
  Review Configuration:
  
  Check the configuration settings related to the project system and settlement rules. Ensure that the settings allow for the maintenance of settlement rules for network headers.
  You may need to consult with your SAP Basis or configuration team to review these settings.
  
  
  
  Network Header Status:
  
  Check the status of the network header. If it is in a status that does not allow changes (e.g., "Completed" or "Locked"), you may need to change the status or unlock it before making changes to the settlement rules.
  You can use transaction code CN22 to check and change the status of the network.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or help resources for more detailed information on settlement rules and network headers. This can provide insights into specific configurations or limitations.
  
  
  
  Contact Support:
  
  If the issue persists after checking authorizations and configurations, consider reaching out to your SAP support team or SAP Help Desk for further assistance.
  
  
  
  Related Information:
  
  Transaction Codes: 
  
  CN22: Change Network
  CJ20N: Project Builder
  SU53: Display Authorization Check
  
  
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address specific issues related to error AW251.
  User Roles: Review the roles assigned to the user in transaction PFCG to ensure they have the necessary access rights.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.