How To Fix ATAB028 - Group boxes &3 and &4 are used at same time in tab layout &1

ATAB028 - Overview

• Message type: E = Error

• Message class: ATAB - Tabs in master data: Messages

• Message number: 028

• Message text: Group boxes &3 and &4 are used at same time in tab layout &1

What causes this issue?

Group boxes &v3& and &v4& are defined as alternates in the application.
You are allowed to use <ZH>either</> group box &v3& <ZH>or</> group box
&v4& in one tab layout. However, tab layout &v1& contains both of these
group boxes.

How to fix this error?

Remove one or both of these group boxes from tab layout &v1&. These
group boxes appear on these tab pages: &v2&

Error message extract from SAP system. Copyright SAP SE.

ATAB028 - Details

• The SAP error message ATAB028 indicates that there is a conflict in the use of group boxes within a tab layout. Specifically, it means that two group boxes (identified as &3 and &4) are being used simultaneously in the same tab layout (identified as &1). This situation is not allowed in SAP's GUI design, as it can lead to layout issues and confusion in the user interface.
  
  Cause:
  The error typically arises from one of the following scenarios:
  
  Design Conflict: The screen layout has been designed in such a way that two group boxes are overlapping or are incorrectly configured within the same tab.
  Incorrect Configuration: The tab layout might have been set up incorrectly, leading to the inclusion of multiple group boxes in a single tab.
  Development Error: If you are customizing or developing a new screen, there may be a mistake in the code or configuration that leads to this conflict.
  
  
  Solution:
  To resolve the