Microsoft SQL Server database ranks third in the relational database, second only to Oracle and MySQL database. when using it, it is inevitable to encounter various problems and warnnings. You may be dba or a developer, I hope this content can help you solve SQL Server error number 12002.

Error number: 12002

Severity level: 16

Event logged: The requested %S_MSG index on column ‘%.*ls’ of table ‘%.*ls’ could not be created because the column type is not %S_MSG . Specify a column name that refers to a column with a %S_MSG data type.