How To Fix GS406 - Only compare sets with a compatible table field; see documentation

GS406 - Overview

• Message type: E = Error

• Message class: GS - Sets

• Message number: 406

• Message text: Only compare sets with a compatible table field; see documentation

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.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message GS406 - Only compare sets with a compatible table field; see documentation ?

  The SAP error message GS406 ("Only compare sets with a compatible table field; see documentation") typically occurs in the context of ABAP programming when there is an attempt to compare two sets that are not compatible in terms of their data types or structures. This error is often encountered when using the SET operations in ABAP, particularly when dealing with internal tables or field symbols.
  
  Cause:
  
  Incompatible Data Types: The most common cause of this error is that the two sets being compared have different data types. For example, if one set is based on a character field and the other is based on a numeric field, the comparison will fail.
  Different Structures: If the sets are based on different structures or field definitions, this can also lead to compatibility issues.
  Incorrect Use of Field Symbols: If field symbols are used incorrectly or are not properly defined, it can lead to this error.
  
  
  Solution:
  
  Check Data