How To Fix OO719 - Type &1 already exists in interface &2

OO719 - Overview

• Message type: E = Error

• Message class: OO - Class Builder/API

• Message number: 719

• Message text: Type &1 already exists in interface &2

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

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Smart SAP Assistant

• What is the cause and solution for SAP error message OO719 - Type &1 already exists in interface &2 ?

  The SAP error message OO719, which states "Type &1 already exists in interface &2," typically occurs when there is an attempt to define a type (such as a structure, data element, or any other type) that has already been defined in the specified interface. This can happen during the development of ABAP programs, especially when working with interfaces, classes, or data dictionary objects.
  
  Cause:
  
  
  Duplicate Type Definition: The most common cause of this error is that the type you are trying to define already exists in the interface you are working with. This can happen if:
  
  You are trying to redefine a type that has already been declared in the interface.
  There is a naming conflict due to similar names in the same namespace.
  
  
  
  Inconsistent Object State: Sometimes, the error can arise from inconsistencies in the object state, especially if there have been recent changes or transports that have not been properly activated.
  
  
  
  Solution:
  
  
  Check Existing Definitions: