How To Fix CN860 - Maintain duration and work to calculate number of capacities

SAP Error Message - Details

• Message type: E = Error

• Message class: CN - Meldungen für Netzpläne

• Message number: 860

• Message text: Maintain duration and work to calculate number of capacities

What causes this issue?

You must enter a value for work and duration so that the system can
calculate the number of capacities.

System Response

INCLUDE 'NA_ALLG_NOVERARBEITUNG' OBJECT DOKU ID TX

How to fix this error?

Enter a value for work and duration.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CN860 - Maintain duration and work to calculate number of capacities ?

  The SAP error message CN860, which states "Maintain duration and work to calculate number of capacities," typically occurs in the context of project management and capacity planning within SAP. This error indicates that the system requires specific information about the duration and work associated with a project or activity in order to calculate the necessary capacities for resources.
  Cause:
  The error is usually caused by one or more of the following reasons:
  
  Missing Duration or Work Data: The project or activity does not have defined duration or work values. This can happen if the project was created without entering these details.
  Incorrect Configuration: The configuration settings for the project or activity may not be set up correctly, leading to the inability to calculate capacities.
  Incomplete Activity Definition: If the activity is not fully defined (e.g., missing start and end dates), the system cannot perform the necessary calculations.
  
  Solution:
  To resolve the CN860 error, you can take the following steps:
  
  
  Check Activity Details:
  
  Go to the project or activity in question and ensure that both the duration and work are properly defined.
  You can do this by navigating to the relevant project or activity in the SAP Project System (PS) module.
  
  
  
  Maintain Duration and Work:
  
  If the duration and work are missing, enter the required values. This can typically be done in the "Activities" or "Network" sections of the project.
  Ensure that the values are realistic and align with the project plan.
  
  
  
  Review Project Settings:
  
  Check the project settings to ensure that all necessary parameters are configured correctly. This includes checking the work breakdown structure (WBS) elements and ensuring they are properly linked.
  
  
  
  Recalculate Capacities:
  
  After entering the required data, attempt to recalculate the capacities. This can usually be done through the capacity planning functions in SAP.
  
  
  
  Consult Documentation:
  
  If you are unsure about the required fields or how to enter them, refer to the SAP documentation or help resources specific to your version of SAP.
  
  
  
  Seek Help from SAP Support:
  
  If the issue persists after following the above steps, consider reaching out to your SAP support team or consulting SAP Notes for any known issues related to this error.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as CJ20N (Project Builder), CN41 (Capacity Planning), and others that may help in managing project activities and resources.
  SAP Notes: Check SAP Notes for any updates or patches that may address this error or provide additional guidance.
  Training and Documentation: Consider training sessions or documentation on SAP Project System (PS) to better understand how to manage project data effectively.
  
  By ensuring that all necessary data is entered and configured correctly, you should be able to resolve the CN860 error and proceed with your project management tasks in SAP.