How To Fix CN053 - Network does not have activity account assignment

SAP Error Message - Details

• Message type: E = Error

• Message class: CN - Meldungen für Netzpläne

• Message number: 053

• Message text: Network does not have activity account assignment

What causes this issue?

You cannot write any costs to the activity for this network.
You can only write costs to the network header for the network.

System Response

INCLUDE 'NA_ALLG_NOVERARBEITUNG' OBJECT DOKU ID TX

How to fix this error?

Check that you have maintained the proper key for the network. Make
any changes necessary.
Delete the key for the activity.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CN053 - Network does not have activity account assignment ?

  The SAP error message CN053: Network does not have activity account assignment typically occurs in the context of project systems (PS) or production planning when you are trying to assign costs or activities to a network that does not have the necessary account assignment set up. Here’s a breakdown of the cause, potential solutions, and related information:
  Cause:
  
  Missing Account Assignment: The network you are trying to work with does not have an activity account assignment defined. This means that the system cannot determine where to post the costs associated with the activities in the network.
  Incorrect Network Type: The network type may not be configured to allow for activity account assignments.
  Configuration Issues: There may be issues in the configuration of the project system or network settings that prevent the assignment of costs.
  
  Solution:
  
  
  Check Network Settings:
  
  Go to the network in question and check the settings. Ensure that the network has an activity account assignment defined.
  You can do this by navigating to the network in the Project System (transaction code CN21 or CN22) and checking the "Activity" tab.
  
  
  
  Assign Activity Account:
  
  If the network does not have an activity account assignment, you can assign one by editing the network and specifying the appropriate account assignment for the activities.
  
  
  
  Review Network Type Configuration:
  
  Ensure that the network type you are using allows for activity account assignments. You can check this in the configuration settings (transaction code SPRO).
  Navigate to Project System > Structures > Networks > Define Network Types and verify the settings.
  
  
  
  Check for Validity of Activity Elements:
  
  Ensure that the activity elements within the network are correctly defined and that they have valid account assignments.
  
  
  
  Consult Documentation:
  
  If you are unsure about the configuration or settings, refer to the SAP documentation or consult with your SAP Basis or Project System consultant for guidance.
  
  
  
  Related Information:
  
  
  Transaction Codes:
  
  CN21: Create Network
  CN22: Change Network
  CN03: Display Network
  CJ20N: Project Builder (to view and manage projects and networks)
  
  
  
  SAP Notes: Check for any relevant SAP Notes that might address specific issues related to this error message. You can search for notes in the SAP Support Portal.
  
  
  User Authorization: Ensure that you have the necessary authorizations to make changes to networks and account assignments.
  
  
  By following these steps, you should be able to resolve the CN053 error and ensure that your network is properly configured for activity account assignments.