How To Fix 0K518 - The field & already has a field catalog entry

0K518 - Overview

• Message type: E = Error

• Message class: 0K - Messages for "General List Modules"

• Message number: 518

• Message text: The field & already has a field catalog entry

What causes this issue?

A field catalog entry already exists for the table name/field name
combination.
Each field in an output table can have only one field catalog entry.

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?

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message 0K518 - The field & already has a field catalog entry ?

  The SAP error message 0K518 indicates that there is an issue with the field catalog in a report or a data structure where a field is being defined more than once. Specifically, the message states that the field already has an entry in the field catalog, which means that the system is trying to add a field that has already been defined.
  
  Cause:
  
  Duplicate Field Definition: The most common cause of this error is that the same field is being defined multiple times in the field catalog. This can happen if the field is included in the field catalog more than once, either manually or through a programmatic error.
  Incorrect Field Catalog Configuration: There may be an issue with how the field catalog is being constructed, leading to duplicate entries.
  Program Logic Error: If the field catalog is being generated dynamically, there may be a logic error in the code that leads to the