How To Fix FKKBIX381 - Incompatible change of reference field in field &1 in class &2


FKKBIX381 - Overview

  • Message type: E = Error

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

  • Message number: 381

  • Message text: Incompatible change of reference field in field &1 in class &2

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  • Self-Explanatory Message

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FKKBIX381 - Details

  • The SAP error message FKKBIX381 indicates that there is an incompatible change in a reference field within a specific class. This typically occurs in the context of data model changes, particularly when there are modifications to the structure of a database table or a data element that is referenced in a class.
    
    Cause: Incompatible Changes: The error usually arises when a field that is referenced in a class has been altered in a way that is not compatible with existing references. This could include changes in data type, length, or other attributes that affect how the field is used in the class. Data Model Changes: Changes made to the underlying data model, such as adding or removing fields, changing field types, or modifying relationships between tables, can lead to this error. Custom Development: If there are custom developments or enhancements that rely on specific field definitions, any changes to those fields can trigger this

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