Seaquel
SQL Server error code

SQL Server error 2749

SQL Server raises error 2749 at severity 16, which marks a problem with the query or data that you can correct.

Identity column '%.*ls' must be of data type int, bigint, smallint, tinyint, or decimal or numeric with a scale of 0, unencrypted, and constrained to be nonnullable.
Msg2749
Severity16
Group2000–2999

Source: Database Engine events and errors