How To Fix KPN030 - Negative actual costs posted to network &, activity &

SAP Error Message - Details

• Message type: E = Error

• Message class: KPN - Costing: Networks, Projects

• Message number: 030

• Message text: Negative actual costs posted to network &, activity &

What causes this issue?

Negative actual costs have been posted to the network activity.

System Response

Negative actual costs are not included in the cost forecast.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message KPN030 - Negative actual costs posted to network &, activity & ?

  The SAP error message KPN030 indicates that there are negative actual costs posted to a network or activity in the Project System (PS) module. This typically occurs when there are inconsistencies in the cost postings, such as when costs are reversed or when there are incorrect postings that lead to negative values.
  Cause:
  
  Cost Reversals: If costs have been reversed incorrectly, it can lead to negative actual costs.
  Incorrect Manual Postings: Manual entries that are not aligned with the expected cost structure can result in negative values.
  Data Entry Errors: Mistakes during data entry, such as entering a negative amount when it should be positive.
  Integration Issues: Problems with integration between different modules (like FI, CO, or MM) can lead to discrepancies in cost postings.
  Incorrect Configuration: Configuration settings in the system that do not allow for negative postings might be incorrectly set.
  
  Solution:
  
  Review Cost Postings: Check the cost postings for the specific network or activity to identify where the negative costs originated. Use transaction codes like CJI3 (Project Actual Line Items) or CJR2 (Display Project) to analyze the postings.
  Correct Errors: If you find incorrect postings, you may need to reverse or correct them. This can involve creating new postings to offset the negative costs.
  Check Configuration: Ensure that the configuration settings in the Project System and controlling modules are set correctly to prevent negative postings.
  Consult Documentation: Review SAP documentation or notes related to this error message for any specific guidance or patches that may address the issue.
  Contact Support: If the issue persists and cannot be resolved through the above steps, consider reaching out to SAP support for further assistance.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as CJI3, CJR2, and COSS (for cost analysis).
  SAP Notes: Check SAP Notes for any known issues or updates related to this error message.
  User Forums: Engage with SAP community forums or user groups where similar issues may have been discussed.
  Training: Consider additional training on SAP Project System and controlling to better understand cost management and error resolution.
  
  By following these steps, you should be able to identify the cause of the KPN030 error and implement a solution to resolve it.