How To Fix OL301 - Element '&' is defined twice

OL301 - Overview

• Message type: E = Error

• Message class: OL - Workflow object types: Run-time system

• Message number: 301

• Message text: Element '&' is defined twice

Self-Explanatory Message

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OL301 - Details

• The SAP error message OL301, which states "Element '&' is defined twice," typically occurs in the context of SAP ABAP programming or when working with data dictionary objects. This error indicates that there is a duplicate definition of an element (such as a field or a structure) within the same context, which is not allowed.
  
  Cause:
  
  Duplicate Definitions: The most common cause of this error is that the same field or element has been defined more than once in the same structure, table, or data dictionary object.
  Inconsistent Naming: Sometimes, similar names or typos can lead to confusion, making it seem like an element is defined twice.
  Inclusion of Multiple Structures: If you are including multiple structures or types that have overlapping field names, this can also trigger the error.
  
  
  Solution:
  
  Check Definitions: Review the data dictionary objects (like tables, structures, or views) where the error is occurring. Look for any duplicate field definitions.
  Rename Elements: If