How To Fix FKKBIX311 - Data type of field &1 in structure &2 differs from structure &3

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 311

• Message text: Data type of field &1 in structure &2 differs from structure &3

What causes this issue?

The data type of field &v1& in structure &v2& differs from the data type
in structure &v3&. Data could be lost during processing of the billable
items.

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 FKKBIX311 - Data type of field &1 in structure &2 differs from structure &3 ?

  The SAP error message FKKBIX311 indicates a data type mismatch between fields in different structures. This typically occurs during the processing of financial documents or when working with data structures in SAP that are expected to have consistent data types across different contexts.
  Cause:
  The error arises when:
  
  A field in one structure (let's call it Structure A) has a different data type than the corresponding field in another structure (Structure B).
  This can happen during data transfers, interface processing, or when customizing SAP modules where structures are defined.
  
  Solution:
  To resolve the FKKBIX311 error, follow these steps:
  
  
  Identify the Structures: Check the error message for the names of the structures involved (Structure A and Structure B). 
  
  
  Check Field Definitions: 
  
  Use transaction SE11 (Data Dictionary) to look up the structures mentioned in the error message.
  Compare the data types of the fields in both structures. 
  
  
  
  Correct the Data Types:
  
  If you have access to modify the structures, ensure that the data types of the fields match. This may involve changing the data type of one of the fields to ensure consistency.
  If the structures are standard SAP structures, you may need to create a custom structure or use a different approach to handle the data.
  
  
  
  Review Custom Code: If the error is occurring in custom ABAP code, review the code to ensure that the correct structures are being used and that data is being passed correctly between them.
  
  
  Testing: After making the necessary changes, test the process that was causing the error to ensure that it has been resolved.
  
  
  Related Information:
  
  Transaction Codes: SE11 (Data Dictionary), SE80 (Object Navigator), SE37 (Function Module), and SE38 (ABAP Editor) can be useful for debugging and modifying structures and programs.
  SAP Notes: Check SAP Notes for any known issues or patches related to the FKKBIX311 error.
  Documentation: Review SAP documentation for the specific module you are working with, as it may provide insights into the expected data types and structures.
  
  If the issue persists after following these steps, consider reaching out to your SAP support team or consulting with an SAP expert for further assistance.