How To Fix KPN037 - No billing plan types have been maintained

KPN037 - Overview

• Message type: E = Error

• Message class: KPN - Costing: Networks, Projects

• Message number: 037

• Message text: No billing plan types have been maintained

What causes this issue?

No invoicing plan type has been maintained in Project System
customizing for the network activity or material component.

System Response

The invoicing plan cannot be created.

How to fix this error?

Maintain an invoicing type for the network activity or material
component.

Error message extract from SAP system. Copyright SAP SE.

KPN037 - Details

• The SAP error message KPN037 ("No billing plan types have been maintained") typically occurs in the context of billing and invoicing processes within the SAP system, particularly when dealing with contracts or sales orders that require a billing plan. This error indicates that the system cannot find any billing plan types that have been defined for the relevant transaction or master data.
  
  Cause:
  
  Missing Configuration: The most common cause of this error is that no billing plan types have been configured in the system for the relevant sales area or customer.
  Incorrect Master Data: The customer or material master data may not have the necessary billing plan information maintained.
  Transaction Type Issues: The transaction type being used may not be linked to any billing plan types in the configuration.
  
  
  Solution:
  To resolve the KPN037 error, you can follow these steps:
  
  
  Check Billing Plan Configuration:
  
  Go to the SAP Customizing Implementation Guide (SPRO).
  Navigate to Sales and Distribution > Basic