Seaquel
SQL Server error code

SQL Server error 1774

SQL Server raises error 1774 at severity 16, which marks a problem with the query or data that you can correct.

The number of columns in the referencing column list for foreign key '%.*ls' does not match those of the primary key in the referenced table '%.*ls'.
Msg1774
Severity16
Group1000–1999

Source: Database Engine events and errors