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

SAP Error Message - Details

• 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.

Smart SAP Assistant

• What is the cause and solution for SAP error message ATAB028 - Group boxes &3 and &4 are used at same time in tab layout &1 ?

  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 ATAB028 error, you can take the following steps:
  
  
  Review the Tab Layout: Check the tab layout configuration in the screen painter (SE80 or SE41) to ensure that only one group box is used per tab. If you need multiple group boxes, consider using separate tabs for each group box.
  
  
  Modify the Screen: If you are developing or customizing the screen, modify the screen layout to ensure that only one group box is present in each tab. You can do this by:
  
  Removing one of the group boxes from the tab.
  Moving one of the group boxes to a different tab.
  
  
  
  Check for Overlapping Elements: Ensure that there are no overlapping elements in the tab layout that could cause confusion in the rendering of the UI.
  
  
  Test the Changes: After making the necessary adjustments, test the screen to ensure that the error is resolved and that the layout behaves as expected.
  
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any specific guidance or patches related to this error message. Sometimes, there may be known issues or updates that can help resolve layout conflicts.
  Documentation: Refer to SAP documentation on screen design and tab layouts for best practices and guidelines on how to structure your UI components effectively.
  Community Forums: If you are still facing issues, consider reaching out to SAP community forums or support channels for additional assistance.
  
  By following these steps, you should be able to resolve the ATAB028 error and ensure that your tab layout is correctly configured.