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

SAP Error Message - Details

• 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.

Smart SAP Assistant

• What is the cause and solution for SAP error message FKKINV266 - Category of invoicing period &1 is unknown ?

  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 Data Entry:
  
  Double-check the invoicing period category entered in the transaction. Make sure it matches the defined categories in the system.
  
  
  
  Consult Documentation:
  
  Review any relevant documentation or user manuals that may provide insights into the correct usage of invoicing period categories.
  
  
  
  Check Authorizations:
  
  Ensure that the user has the necessary authorizations to access and use the invoicing period categories.
  
  
  
  Contact Support:
  
  If the issue persists after checking the configuration and data entry, consider reaching out to your SAP support team or consulting with an SAP expert for further assistance.
  
  
  
  Related Information:
  
  Transaction Codes: You may need to use transaction codes like OBB2 (for defining document types) or OBA7 (for defining posting keys) to check related configurations.
  SAP Notes: Look for any relevant SAP Notes that might address this specific error or provide additional troubleshooting steps.
  Testing: After making any changes, perform a test transaction to ensure that the error has been resolved.
  
  By following these steps, you should be able to identify and resolve the issue related to the FKKINV266 error message in SAP.