How To Fix SGT_01406 - No changes are allowed; segmentation structure is locked

SGT_01406 - Overview

• Message type: E = Error

• Message class: SGT_01 - SGT_01

• Message number: 406

• Message text: No changes are allowed; segmentation structure is locked

Self-Explanatory Message

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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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SGT_01406 - Details

• The SAP error message SGT_01406 indicates that a segmentation structure is locked, which means that no changes can be made to it at that moment. This typically occurs in the context of SAP's segmentation functionality, which is used for managing and analyzing customer data, among other things.
  
  Cause:
  
  
  Locking Mechanism: The segmentation structure is locked due to ongoing processes or transactions that are currently using it. This could be due to:
  
  Another user or process is editing the segmentation structure.
  A background job is running that is utilizing the segmentation structure.
  The structure is in a state that does not allow modifications (e.g., it is being activated or deactivated).
  
  
  
  Authorization Issues: The user may not have the necessary authorizations to make changes to the segmentation structure.
  
  
  
  Solution:
  
  
  Check for Locks:
  
  Use transaction code SM12 to check for any locks on the segmentation structure. If you find locks that are not being used, you may need to release them (ensure