How To Fix DT169 - &: Type of the primary key changed on the database

DT169 - Overview

• Message type: E = Error

• Message class: DT - Table activation (incl. indexes)

• Message number: 169

• Message text: &: Type of the primary key changed on the database

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

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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Smart SAP Assistant

• What is the cause and solution for SAP error message DT169 - &: Type of the primary key changed on the database ?

  The SAP error message DT169, which states "Type of the primary key changed on the database," typically occurs when there is a mismatch between the data dictionary definitions in the SAP system and the actual database schema. This can happen due to various reasons, such as changes made directly in the database (outside of SAP), modifications to the data model, or inconsistencies during transport requests.
  Causes:
  
  Direct Database Changes: If someone has altered the primary key type directly in the database without updating the corresponding data dictionary in SAP, this error can occur.
  Transport Issues: If a transport request that includes changes to the data model is not properly imported, it can lead to inconsistencies.
  Database Migration: During a database migration or upgrade, if the primary key types are not correctly mapped, this error may arise.
  Development Changes: Changes made in the development environment that are not reflected in the production environment can lead to