How To Fix FKKINV266 - Category of invoicing period &1 is unknown

FKKINV266 - Overview

• Message type: E = Error

• Message class: FKKINV - Invoicing in Contract Accounts Receivable and Payable

• Message number: 266

• Message text: Category of invoicing period &1 is unknown

What causes this issue?

The <DS:DE.INVPERCAT_KK>category of the invoicing period</> &V1& is not
known.

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?

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

FKKINV266 - Details

• The SAP error message FKKINV266 indicates that the system has encountered an issue with the invoicing period category specified in the transaction. This error typically arises in the context of contract accounts receivable and payable (FI-CA) when the system cannot recognize the invoicing period category that has been assigned.
  
  Cause:
  
  Unknown Invoicing Period Category: The invoicing period category specified in the transaction does not exist in the system or is not properly configured.
  
  Configuration Issues: The invoicing period category may not have been defined in the customizing settings of the SAP system.
  Data Entry Error: There may be a typographical error or incorrect entry in the invoicing period category field.
  
  
  Solution:
  
  
  Check Configuration:
  
  Go to the SAP Customizing Implementation Guide (IMG) and navigate to Financial Accounting (New) -> Contract Accounts Receivable and Payable -> Basic Functions -> Invoicing -> Define Invoicing Period Categories.
  Ensure that the invoicing period category you are trying to use is defined and active.
  
  
  
  Verify