SQL Server Error Msg 6201 – Method “%ls” of type “%ls” in assembly “%.*ls” is not marked as a mutator. Only mutators can be used to update the value of a CLR type.

In this blog post, let’s learn about the error message “6201 – Method “%ls” of type “%ls” in assembly “%.*ls” is not marked as a mutator. Only mutators can be used to update the value of a CLR type.” in Microsoft SQL Server, the reason why it appears and the solution to fix it.

SQL Server Error Message

6201 – Method “%ls” of type “%ls” in assembly “%.*ls” is not marked as a mutator. Only mutators can be used to update the value of a CLR type.

Reason for the Error

To be update soon…

Solution

To be update soon…

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