How To Fix SOI_UPG126 - Table &1: Structure change but adaptation with alter is not possible

SOI_UPG126 - Overview

• Message type: E = Error

• Message class: SOI_UPG - Message for SOI upgrade

• Message number: 126

• Message text: Table &1: Structure change but adaptation with alter is not possible

Self-Explanatory Message

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SOI_UPG126 - Details

• The SAP error message SOI_UPG126 indicates that there is a structure change in a database table, but the adaptation using the ALTER command is not possible. This typically occurs during an upgrade or when changes are made to the data model of an SAP system.
  
  Cause:
  
  Table Structure Change: The error usually arises when there is an attempt to modify a table structure (like adding or removing fields) that cannot be executed due to certain constraints or conditions.
  Database Constraints: There may be existing constraints, such as foreign key relationships, that prevent the alteration of the table.
  Custom Modifications: If the table has been customized or has custom fields, the system may not allow changes to be made directly.
  Transport Issues: If the changes are part of a transport request that has not been properly imported or is inconsistent, it can lead to this error.
  
  
  Solution:
  
  Check Table Dependencies: Review the dependencies of the table in question.