An explicit value for the identity column in table 'Table' can only be specified when a column list is used and IDENTITY_INSERT is ON

Question

Does someone know what this error (An explicit value for the identity column in table \'HD_AANVRAAG_FASE\' can only be specified when a column list is used and IDENTITY_INSERT

Answer 1

You're missing a

SET IDENTITY_INSERT HD_AANVRAAG_FASE ON

before you run your insert. That's the exact cause of the error.

That said, inserting identity values explicitly is rare-- for example, used only when copying data from one table to another, or initializing a new table with explicit IDs. Usually you'll just want to omit identity values from your INSERT, which also avoids the error.