How To Fix CNPB011 - Network with internal number & contains errors

SAP Error Message - Details

• Message type: E = Error

• Message class: CNPB - Project Builder

• Message number: 011

• Message text: Network with internal number & contains errors

What causes this issue?

There are activities belonging to the network, but a network header no
longer exists.

System Response

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

How to fix this error?

Contact SAP.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CNPB011 - Network with internal number & contains errors ?

  The SAP error message CNPB011 indicates that there is an issue with a network that has an internal number and contains errors. This error typically arises in the context of SAP's Project System (PS) or Controlling (CO) modules, particularly when dealing with network activities, dependencies, or resource allocations.
  Cause:
  
  Data Integrity Issues: The network may have inconsistencies or missing data, such as incorrect activity sequences, missing dependencies, or invalid resource assignments.
  Configuration Errors: There may be configuration issues in the network settings or in the project structure that lead to errors.
  Status Issues: The network or its activities may be in a status that does not allow for certain operations (e.g., locked, completed, or not released).
  Resource Conflicts: Conflicts in resource allocation or scheduling can also trigger this error.
  
  Solution:
  
  Check Network Data: Review the network with the specified internal number for any inconsistencies. Ensure that all activities are correctly defined and that there are no missing dependencies.
  Validate Configuration: Ensure that the network configuration is correct. Check for any settings that may need adjustment.
  Review Status: Check the status of the network and its activities. If they are locked or in a completed state, you may need to unlock or change the status to allow for further processing.
  Resource Allocation: Verify that resources are correctly allocated and that there are no conflicts. Adjust resource assignments as necessary.
  Use Transaction Codes: Utilize relevant transaction codes (like CN22 for network maintenance) to analyze and correct the network.
  Consult Logs: Check the system logs for any additional error messages or warnings that may provide more context about the issue.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with transaction codes related to network and project management, such as CN01 (Create Network), CN02 (Change Network), and CN03 (Display Network).
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address specific issues related to the CNPB011 error.
  Documentation: Review SAP documentation for Project System and Controlling modules for best practices in network management and error resolution.
  
  If the issue persists after following these steps, it may be beneficial to consult with your SAP support team or reach out to SAP support for further assistance.