In this blog post, let’s learn about the error message “21686 – The operation “%s” is not valid. Valid operations are “add”, “drop”, and “help”.” in Microsoft SQL Server, the reason why it appears and the solution to fix it.
SQL Server Error Message
21686 – The operation “%s” is not valid. Valid operations are “add”, “drop”, and “help”.
Reason for the Error
To be update soon…
Solution
To be update soon…