Cannot insert explicit value for identity column in table 'table' when IDENTITY_INSERT is set to OFF

Question

I have the below error when I execute the following script. What is the error about, and how it can be resolved?

Insert table(OperationID,OpDescription,Filte         


        

Answer 1

Be very wary of setting IDENTITY_INSERT to ON. This is a poor practice unless the database is in maintenance mode and set to single user. This affects not only your insert, but those of anyone else trying to access the table.

Why are you trying to put a value into an identity field?