How To Fix S4108 - Field & in table & cannot be specified twice

S4108 - Overview

• Message type: E = Error

• Message class: S4 - POPUP_GET_VALUES... and other central functions

• Message number: 108

• Message text: Field & in table & cannot be specified twice

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message S4108 - Field & in table & cannot be specified twice ?

  The SAP error message S4108 indicates that a field in a specified table is being referenced or defined more than once in a context where it should only be specified once. This typically occurs in the context of data dictionary objects, such as when defining a structure, table, or view in the ABAP Dictionary.
  
  Cause:
  
  Duplicate Field Definition: The most common cause of this error is that the same field is being defined multiple times in a structure or table definition.
  Incorrect Join Conditions: If you are working with database views or joins, this error can occur if the same field is included from multiple tables without proper aliasing.
  Inconsistent Field Names: If you are trying to include fields from different tables that have the same name without proper handling, it can lead to this error.
  
  
  Solution:
  
  Check Field Definitions: Review the structure or table definition where the error occurs. Ensure that each field is defined