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

KPN030 - Overview

• 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.

KPN030 - Details

• 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