Seaquel
SQL Server error code

SQL Server error 1791

SQL Server raises error 1791 at severity 16, which marks a problem with the query or data that you can correct.

A DEFAULT constraint cannot be created on the column '%.*ls' in the table '%.*ls' because the column is a sparse column or sparse column set. Sparse columns or sparse column sets cannot have a DEFAULT constraint.
Msg1791
Severity16
Group1000–1999

Source: Database Engine events and errors