How To Fix CN739 - Schedule network for cost calculation

SAP Error Message - Details

• Message type: E = Error

• Message class: CN - Meldungen für Netzpläne

• Message number: 739

• Message text: Schedule network for cost calculation

What causes this issue?

You must schedule the network so the system can calculate costs for the
network.

System Response

INCLUDE 'NA_ALLG_NOFUNKTION' OBJECT DOKU ID TX

How to fix this error?

Schedule the network.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CN739 - Schedule network for cost calculation ?

  The SAP error message CN739, which states "Schedule network for cost calculation," typically occurs in the context of project management and network scheduling within SAP. This error indicates that the system is unable to schedule the network for cost calculation due to certain issues.
  Causes of CN739 Error
  
  Missing or Incorrect Data: The network might be missing essential data such as activities, relationships, or dates that are required for scheduling.
  Inconsistent Dates: If the start and finish dates of activities are inconsistent or if there are overlapping activities that cannot be scheduled properly, this error may occur.
  Network Status: The network might be in a status that does not allow scheduling, such as being locked or not released.
  Resource Constraints: If there are resource constraints that prevent the scheduling of activities, this can lead to the error.
  Incorrect Configuration: Configuration settings in the project system or network planning might be incorrect, leading to scheduling issues.
  
  Solutions to CN739 Error
  
  Check Network Data: Review the network and ensure that all necessary data is entered correctly. This includes checking activities, relationships, and dates.
  Validate Dates: Ensure that the start and finish dates of all activities are consistent and logical. Adjust any overlapping or conflicting dates.
  Network Status: Check the status of the network. If it is not released or is locked, you may need to change its status to allow scheduling.
  Resource Availability: Verify that the resources required for the activities are available and not over-allocated. Adjust resource assignments if necessary.
  Configuration Review: Review the configuration settings in the project system to ensure they are set up correctly for scheduling.
  Use Transaction Codes: Utilize transaction codes like CN41 (Network Overview) or CN22 (Change Network) to analyze and modify the network as needed.
  
  Related Information
  
  SAP Notes: Check SAP Notes for any known issues or patches related to the CN739 error. SAP frequently updates its knowledge base with solutions for common errors.
  Documentation: Refer to SAP documentation on project systems and network scheduling for detailed guidance on how to set up and manage networks effectively.
  Community Forums: Engage with SAP community forums or user groups where similar issues may have been discussed, and solutions shared.
  
  If the problem persists after trying the above solutions, it may be beneficial to consult with an SAP expert or your organization's SAP support team for further assistance.