How To Fix KPN055 - Unit costing for network &1, activity &2 could not be copied

SAP Error Message - Details

• Message type: E = Error

• Message class: KPN - Costing: Networks, Projects

• Message number: 055

• Message text: Unit costing for network &1, activity &2 could not be copied

What causes this issue?

An error has occurred during copying of the unit costing for network
activity &V1& &V2&.

System Response

The unit costing is not copied.

How to fix this error?

Check the messages.

Procedure for System Administrators

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message KPN055 - Unit costing for network &1, activity &2 could not be copied ?

  The SAP error message KPN055 indicates that there is an issue with copying unit costing information for a specific network and activity. This error typically arises during the process of transferring or copying cost estimates or cost planning data in the Project System (PS) module.
  Cause:
  The error can be caused by several factors, including:
  
  Missing Master Data: The network or activity may not have the necessary master data set up, such as cost elements or activity types.
  Inconsistent Data: There may be inconsistencies in the data related to the network or activity, such as missing or incorrect cost estimates.
  Authorization Issues: The user may not have the necessary authorizations to access or modify the cost data for the specified network or activity.
  Configuration Issues: There may be configuration settings in the system that prevent the copying of unit costs.
  Locked Objects: The network or activity might be locked for editing by another user or process.
  
  Solution:
  To resolve the KPN055 error, you can take the following steps:
  
  
  Check Master Data: Ensure that all necessary master data for the network and activity is correctly set up. This includes verifying that cost elements and activity types are defined and active.
  
  
  Review Cost Estimates: Check if there are existing cost estimates for the network and activity. If they are missing or incorrect, you may need to create or adjust them.
  
  
  Authorization Check: Verify that the user has the appropriate authorizations to access and modify the cost data. You may need to consult with your SAP security team.
  
  
  Configuration Review: Review the configuration settings in the Project System to ensure that they allow for the copying of unit costs. This may involve checking settings in the controlling area or project profile.
  
  
  Unlock Objects: If the network or activity is locked, you may need to wait for the lock to be released or contact the user who has locked it to request access.
  
  
  Consult SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error message. There may be patches or updates that can resolve the issue.
  
  
  Debugging: If the issue persists, consider using the SAP debugging tools to trace the process and identify where the error occurs.
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as CJ20N (Project Builder), CJI3 (Project Actual Line Items), and KP26 (Change Plan Data) to manage project costs.
  Documentation: Review SAP documentation related to Project System and Cost Planning for best practices and troubleshooting tips.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they have found.
  
  By following these steps, you should be able to identify and resolve the cause of the KPN055 error in SAP.