How To Fix KPN066 - Assign a default date category to invoicing plan type &1

KPN066 - Overview

• Message type: E = Error

• Message class: KPN - Costing: Networks, Projects

• Message number: 066

• Message text: Assign a default date category to invoicing plan type &1

What causes this issue?

You want to maintain a template invoicing plan for invoicing plan type
&V1&. However, no template date category has yet been assigned to the
invoicing plan type.

System Response

Processing stopped.

How to fix this error?

To maintain a template invoicing plan, proceed as follows:
Save the invoicing plan type.
Create at least one date category for the invoicing plan type.
Assign a date category as a default to the invoicing plan type.
Save the invoicing plan type.
Maintain the template invoicing plan.

Procedure for System Administrators

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

Error message extract from SAP system. Copyright SAP SE.

KPN066 - Details

• The SAP error message KPN066 indicates that there is a missing configuration related to the invoicing plan type in the system. Specifically, it means that a default date category has not been assigned to the specified invoicing plan type (denoted by &1 in the error message).
  
  Cause:
  The error typically arises when:
  
  An invoicing plan type is being used in a transaction, but it has not been properly configured in the system.
  The system requires a default date category to determine how dates are handled for the invoicing plan, but this has not been set up.
  
  
  Solution:
  To resolve this error, you need to assign a default date category to the invoicing plan type. Here are the steps to do this:
  
  
  Access the Configuration:
  
  Go to the SAP Easy Access screen.
  Navigate to the following path: SPRO -> SAP Reference IMG -> Controlling -> Product Cost Controlling -> Cost Object Controlling -> Invoicing Plan -> Define Invoicing Plan Types
  
  
  
  
  Select