How To Fix FKKBIX660 - Type of deferred revenue &1 not allowed for allowance item &2

SAP Error Message - Details

• Message type: E = Error

• Message class: FKKBIX - Conv.Inv.: Billing (Invoice Preprocessing)

• Message number: 660

• Message text: Type of deferred revenue &1 not allowed for allowance item &2

What causes this issue?

The deferred revenue category &v1& is not allowed for the allowance item
(source transaction: &v2&).

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?

The <DS:DE.DEFREV_CAT_KK>deferred revenue category</> for allowance
items must be event-based.

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 FKKBIX660 - Type of deferred revenue &1 not allowed for allowance item &2 ?

  The SAP error message FKKBIX660 indicates that there is an issue with the configuration of deferred revenue types in relation to allowance items. This error typically arises in the context of financial accounting and revenue recognition processes, particularly when dealing with deferred revenue and allowances in SAP.
  Cause:
  The error message is triggered when the system encounters a deferred revenue type that is not permitted for the specific allowance item being processed. This can happen due to several reasons, including:
  
  Configuration Issues: The deferred revenue type may not be correctly configured in the system to allow for the specific allowance item.
  Incompatibility: The combination of the deferred revenue type and the allowance item may not be compatible based on the business rules defined in the system.
  Missing Customization: There may be missing entries in the configuration tables that define which deferred revenue types can be used with which allowance items.
  
  Solution:
  To resolve the FKKBIX660 error, you can take the following steps:
  
  
  Check Configuration:
  
  Go to the configuration settings for deferred revenue types and allowance items in SAP.
  Ensure that the deferred revenue type you are trying to use is allowed for the specific allowance item.
  
  
  
  Review Customization:
  
  Check the relevant customizing settings in the SAP system (transaction codes like SPRO) to ensure that the relationship between deferred revenue types and allowance items is correctly defined.
  Look for any missing entries or incorrect settings that may be causing the incompatibility.
  
  
  
  Consult Documentation:
  
  Review SAP documentation or notes related to deferred revenue and allowance items to understand any specific requirements or limitations.
  
  
  
  Testing:
  
  After making any changes, perform tests to ensure that the error no longer occurs and that the system behaves as expected.
  
  
  
  Seek Help from SAP Support:
  
  If the issue persists after checking the configuration and customization, consider reaching out to SAP support for further assistance. They may provide insights or patches if this is a known issue.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SPRO (Customizing), FB50 (General Ledger), and others that may be involved in the process.
  Documentation: Review SAP Help Portal or SAP Notes for specific guidance on deferred revenue and allowance item configurations.
  User Forums: Engage with SAP community forums or user groups where similar issues may have been discussed, and solutions shared.
  
  By following these steps, you should be able to identify the root cause of the FKKBIX660 error and implement a solution to resolve it.