How To Fix CN865 - Maintain a work center to calculate work

SAP Error Message - Details

• Message type: E = Error

• Message class: CN - Meldungen für Netzpläne

• Message number: 865

• Message text: Maintain a work center to calculate work

What causes this issue?

If you enter a value for duration in a unit that is smaller than "day"
the system uses the operating time from the work center to calculate
the work.

System Response

INCLUDE 'NA_ALLG_NOVERARBEITUNG' OBJECT DOKU ID TX

How to fix this error?

Enter the key for a work center, or change the unit.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CN865 - Maintain a work center to calculate work ?

  The SAP error message CN865 ("Maintain a work center to calculate work") typically occurs in the context of project management and production planning when the system is unable to find a valid work center for a specific operation or task. This can happen in various scenarios, such as when creating or modifying a project, or when trying to calculate costs or scheduling for a project.
  Cause:
  
  Missing Work Center: The most common cause of this error is that the work center has not been defined or maintained in the system for the relevant operation or task.
  Incorrect Assignment: The work center may not be correctly assigned to the operation in the project or task.
  Inactive Work Center: The work center might be inactive or not available for the period in which the operation is scheduled.
  Configuration Issues: There may be configuration issues in the project or production planning settings that prevent the system from recognizing the work center.
  
  Solution:
  To resolve the CN865 error, you can follow these steps:
  
  
  Maintain Work Center:
  
  Go to the transaction code CR01 (Create Work Center) or CR02 (Change Work Center).
  Ensure that the work center is created and properly configured with all necessary details, including capacity, cost center, and relevant parameters.
  
  
  
  Assign Work Center:
  
  Check the project or task where the error occurred.
  Ensure that the work center is assigned to the relevant operation. You can do this in the project definition or in the network activity.
  
  
  
  Check Work Center Status:
  
  Verify that the work center is active and available for the required period. You can check this in the work center details.
  
  
  
  Review Project Settings:
  
  Ensure that the project settings allow for the use of work centers. This may involve checking the project profile and related configurations.
  
  
  
  Recalculate:
  
  After making the necessary changes, try to recalculate the work or costs associated with the project or task.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as:
  
  CR01/CR02: Create/Change Work Center
  CJ20N: Project Builder (to check project details)
  C223: Maintain Work Center Assignment in Project
  
  
  Documentation: Refer to SAP Help documentation for detailed information on work centers and project management.
  User Roles: Ensure that you have the necessary authorizations to create or modify work centers and project settings.
  
  If the issue persists after following these steps, it may be beneficial to consult with your SAP support team or refer to SAP Notes for any known issues or patches related to this error message.