How To Fix M2628 - Primary key for DB table & was not converted!

M2628 - Overview

• Message type: E = Error

• Message class: M2 - LIS: Generating and updating info structures

• Message number: 628

• Message text: Primary key for DB table & was not converted!

What causes this issue?

The sequence of the primary key fields for the database table &V1&
should be changed as a result of the settings. Problems, however, have
occurred (Reason &V2&).
Possible causes for the problems:
No DB table exists (Reason 1).
The DB table belonging to the information structure still contains data
in one of the system clients (Reason 2).
The DB table could not be created (Reason 3).
The DB table could not be activated (Reason 4).

System Response

The primary key for the database table &V1& belonging to the
information structure &V1& was not converted.

How to fix this error?

Reasons 1, 3, 4: Check the status of table &V1& in the data dictionary
(TA SE11).
Reason 2: Check to see if the DB table &V1& still contains data in a
client. If this data is no longer needed, then the table (and thus the
dataset) can be deleted with the database utility (TA SE14).

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message M2628 - Primary key for DB table & was not converted! ?

  The SAP error message M2628, which states "Primary key for DB table & was not converted," typically occurs during a database migration or upgrade process. This error indicates that the primary key of a database table could not be converted properly, which can lead to issues with data integrity and application functionality.
  Causes:
  
  Database Schema Changes: The primary key definition in the database schema may have changed, and the system is unable to map the old primary key to the new structure.
  Data Inconsistencies: There may be inconsistencies or corruption in the data that prevent the primary key from being converted.
  Missing Dependencies: Related tables or dependencies may not have been properly migrated or updated, leading to issues with the primary key.
  Version Compatibility: The version of the database or the SAP system may not be compatible with the expected primary key structure.
  
  Solutions:
  
  Check Database Logs: Review the database logs for more detailed error messages that