SQL Server Error Msg 21769 – Custom data type mappings are not supported. You must validate the correctness of the mapping. If mappings are not compatible, errors will likely occur when moving data from the Publisher to the Subscriber.

In this blog post, let’s learn about the error message “21769 – Custom data type mappings are not supported. You must validate the correctness of the mapping. If mappings are not compatible, errors will likely occur when moving data from the Publisher to the Subscriber.” in Microsoft SQL Server, the reason why it appears and the solution to fix it.

SQL Server Error Message

21769 – Custom data type mappings are not supported. You must validate the correctness of the mapping. If mappings are not compatible, errors will likely occur when moving data from the Publisher to the Subscriber.

Reason for the Error

To be update soon…

Solution

To be update soon…

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