How To Fix CNPB012 - A network in the project has errors

SAP Error Message - Details

• Message type: E = Error

• Message class: CNPB - Project Builder

• Message number: 012

• Message text: A network in the project has errors

What causes this issue?

A necessary database entry for one or more than one networks is missing
in the project.

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?

Inform your SAP contact.

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 CNPB012 - A network in the project has errors ?

  The SAP error message CNPB012 indicates that there are errors in a network within a project. This error typically arises in the context of project management within SAP, particularly when dealing with project networks and their components.
  Cause:
  The error can be caused by several factors, including but not limited to:
  
  Missing or Incorrect Data: There may be missing or incorrect data in the network activities, such as dates, durations, or dependencies.
  Inconsistent Status: The status of the network or its activities may be inconsistent, such as having activities that are not properly linked or have conflicting statuses.
  Resource Allocation Issues: Problems with resource allocation, such as over-allocated resources or missing resources, can lead to this error.
  Network Structure Issues: The structure of the network may be flawed, such as circular dependencies or incorrect relationships between activities.
  Configuration Issues: There may be configuration issues in the project settings or in the network settings that need to be addressed.
  
  Solution:
  To resolve the CNPB012 error, you can follow these steps:
  
  Check Network Structure: Review the network structure for any inconsistencies. Ensure that all activities are properly linked and that there are no circular dependencies.
  Validate Activity Data: Go through each activity in the network and check for missing or incorrect data. Ensure that all required fields are filled out correctly.
  Review Resource Allocation: Check the resource allocation for the network. Make sure that resources are correctly assigned and that there are no over-allocations.
  Use the Project Management Tools: Utilize SAP's project management tools to analyze the network. The system may provide additional insights or warnings that can help identify the specific issues.
  Check for Status Conflicts: Ensure that the statuses of the activities are consistent and that there are no conflicts that could cause the network to be considered erroneous.
  Consult Documentation: Refer to SAP documentation or help resources for specific guidance related to the error message and the context in which it appears.
  
  Related Information:
  
  Transaction Codes: You may use transaction codes like CJ20N (Project Builder) or CN22 (Change Network) to access and modify project networks.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  User Forums: Consider visiting SAP community forums or user groups where similar issues may have been discussed, and solutions shared.
  
  If the problem persists after following these steps, it may be beneficial to consult with your SAP support team or a technical consultant who specializes in SAP project management.