How To Fix KPN088 - Unit costing has been created in cost planning for the project

SAP Error Message - Details

• Message type: E = Error

• Message class: KPN - Costing: Networks, Projects

• Message number: 088

• Message text: Unit costing has been created in cost planning for the project

What causes this issue?

You already maintained unit costing for the project.
Because Easy Cost Planning and unit costing are mutually exclusive, you
cannot create unit costing using Easy Cost Planning for this project.

System Response

You cannot carry out Easy Cost Planning.

How to fix this error?

Use only one of the two planning methods mentioned above.

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 KPN088 - Unit costing has been created in cost planning for the project ?

  The SAP error message KPN088 indicates that unit costing has been created in cost planning for a project. This message typically arises in the context of project system (PS) or controlling (CO) modules when there are issues related to cost planning and the associated unit costs.
  Cause:
  
  Unit Costing Configuration: The error may occur if unit costing has been set up for the project, but there are inconsistencies or issues with the data.
  Cost Planning Data: There may be missing or incorrect data in the cost planning for the project, such as missing cost elements or incorrect assignment of costs.
  Project Status: The project may be in a status that does not allow for changes to cost planning or unit costing.
  Authorization Issues: The user may not have the necessary authorizations to modify cost planning data.
  
  Solution:
  
  Check Cost Planning Data: Review the cost planning data for the project to ensure that all necessary information is correctly entered. This includes verifying cost elements, cost centers, and any other relevant data.
  Review Unit Costing Configuration: Ensure that the unit costing configuration is correctly set up in the system. This may involve checking the settings in the controlling area and project definition.
  Project Status: Verify the status of the project. If the project is locked or in a status that does not allow changes, you may need to change the status or unlock the project.
  Authorization Check: Ensure that the user has the necessary authorizations to make changes to cost planning. If not, contact your SAP security administrator to obtain the required permissions.
  Consult Documentation: Refer to SAP documentation or help resources for specific guidance on handling unit costing and cost planning issues.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as CJ20N (Project Builder), KP06 (Cost Planning), and KP26 (Activity Type Planning) to navigate and check cost planning data.
  SAP Notes: Check for any SAP Notes related to KPN088 for additional insights or patches that may address the issue.
  Training and Support: If the issue persists, consider reaching out to your SAP support team or consulting with an SAP expert for further assistance.
  
  By following these steps, you should be able to identify the root cause of the KPN088 error and implement the necessary solutions to resolve it.