How To Fix FDT_CORE036 - Class / interface cannot be changed, active version exists

FDT_CORE036 - Overview

• Message type: E = Error

• Message class: FDT_CORE - Formula & Derivation Tool: Core

• Message number: 036

• Message text: Class / interface cannot be changed, active version exists

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message FDT_CORE036 - Class / interface cannot be changed, active version exists ?

  The SAP error message FDT_CORE036 indicates that you are trying to change a class or interface in the SAP system while an active version of that class or interface exists. This is a common issue when working with ABAP classes or interfaces in the SAP environment, particularly when using the SAP Fiori or UI5 development tools.
  
  Cause:
  The error occurs because SAP enforces a versioning system to ensure that changes to classes and interfaces do not disrupt existing functionality. If there is an active version of a class or interface, you cannot make changes to it until the active version is deactivated or the changes are made in a way that does not affect the active version.
  
  Solution:
  To resolve this error, you can follow these steps:
  
  
  Check Active Versions: 
  
  Go to the transaction code SE80 (Object Navigator) or SE24 (Class Builder) and check if there are any active versions of the class or interface