How To Fix CN057 - Network has activity account assignment

SAP Error Message - Details

• Message type: E = Error

• Message class: CN - Meldungen für Netzpläne

• Message number: 057

• Message text: Network has activity account assignment

What causes this issue?

Costs can only be written to activities for the network whose key you
have entered.

System Response

INCLUDE 'NA_ALLG_NOVERARBEITUNG' OBJECT DOKU ID TX

How to fix this error?

RESET N1
Check whether you have entered the correct key for the network. Change
it if necessary.
Maintain the key for the network to which you want the costs to be
written.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CN057 - Network has activity account assignment ?

  The SAP error message CN057, which states "Network has activity account assignment," typically occurs in the context of project management and network activities within SAP. This error indicates that there is an issue with the account assignment for a network activity, which is essential for proper cost tracking and financial reporting.
  Cause:
  The error CN057 usually arises due to one of the following reasons:
  
  Missing or Incorrect Account Assignment: The network activity may not have a valid account assignment, or the account assignment may not be correctly configured.
  Inconsistent Data: There may be inconsistencies in the data related to the network or activity, such as missing cost elements or incorrect settings in the project definition.
  Authorization Issues: The user may not have the necessary authorizations to perform the action related to the network activity.
  Configuration Issues: There may be configuration settings in the project system that are not aligned with the requirements for account assignment.
  
  Solution:
  To resolve the CN057 error, you can take the following steps:
  
  
  Check Account Assignment:
  
  Navigate to the network activity in question and verify that the account assignment is correctly set up.
  Ensure that the activity has a valid cost element assigned.
  
  
  
  Review Network and Activity Settings:
  
  Check the configuration of the network and its activities to ensure that all required fields are filled out correctly.
  Make sure that the project definition is complete and that all necessary settings are in place.
  
  
  
  Validate Data Consistency:
  
  Use transaction codes like CJ20N (Project Builder) or CN22 (Change Network) to review the network and its activities for any inconsistencies.
  Ensure that all relevant data is consistent and complete.
  
  
  
  Check Authorizations:
  
  Verify that the user has the necessary authorizations to make changes to the network activities.
  If needed, consult with your SAP security team to ensure proper access rights.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or help resources for specific guidance on account assignment in project systems.
  
  
  
  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 CJ20N (Project Builder), CN22 (Change Network), and CN41 (Network Overview) for managing project networks.
  SAP Notes: Check for any SAP Notes related to error CN057 for additional insights or patches that may address the issue.
  Training and Documentation: Consider training resources or documentation on SAP Project System (PS) to better understand account assignments and network management.
  
  By following these steps, you should be able to identify and resolve the cause of the CN057 error in SAP.