How To Fix CNDET001 - Only mark one tab page as the front page

CNDET001 - Overview

• Message type: E = Error

• Message class: CNDET - Messages for Flexible Detail Display

• Message number: 001

• Message text: Only mark one tab page as the front page

What causes this issue?

You have set the "Front page" indicator for more than one tab page.

System Response

INCLUDE 'NA_ALLG_NOFUNKTION' OBJECT DOKU ID TX

How to fix this error?

Set this indicator on only one tab page.

Error message extract from SAP system. Copyright SAP SE.

CNDET001 - Details

• The SAP error message CNDET001: "Only mark one tab page as the front page" typically occurs in the context of customizing the user interface in SAP, particularly when dealing with tab pages in a screen or a dialog. This error indicates that more than one tab page has been marked as the "front page," which is not allowed.
  
  Cause:
  The error arises when:
  
  Multiple tab pages are incorrectly configured to be the default or front page in a screen or dialog.
  The configuration settings in the screen painter or the underlying code have not been set up correctly.
  
  
  Solution:
  To resolve this error, you can follow these steps:
  
  
  Access the Screen Painter:
  
  Go to the transaction code SE80 (Object Navigator) or SE41 (Menu Painter) depending on where the issue is occurring.
  Locate the screen or dialog that contains the tab pages.
  
  
  
  Check Tab Page Properties:
  
  Open the properties of each tab page.
  Ensure that only one tab page is marked as the