How To Fix D0751 - & is already defined as structure or table

D0751 - Overview

• Message type: E = Error

• Message class: D0 - Machine-level ABAP/4 Dictionary texts (e.g. debugging)

• Message number: 751

• Message text: & is already defined as structure or table

What causes this issue?

You tried to create an object with a name which was already assigned
to another object of another type.

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?

Choose another name for your object.
This text is also included from D0752 to D0759.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message D0751 - & is already defined as structure or table ?

  The SAP error message D0751 typically indicates that there is an issue with the definition of a data element or structure in the ABAP Dictionary. Specifically, the message states that a certain name is already defined as a structure or table, which means that there is a naming conflict in your ABAP Dictionary objects.
  
  Cause:
  
  Naming Conflict: The most common cause of this error is that you are trying to create a new data element, structure, or table with a name that is already in use by another object in the ABAP Dictionary.
  Incorrect Object Type: You might be trying to define an object that is not compatible with the existing object of the same name.
  Namespace Issues: If you are working in a system with multiple namespaces, you might be inadvertently trying to use a name that is reserved or already taken in another namespace.
  
  
  Solution:
  
  Check Existing Definitions: Use transaction SE11 (Data Dictionary) to