Seaquel
SQL Server error code

SQL Server error 4925

SQL Server raises error 4925 at severity 16, which marks a problem with the query or data that you can correct.

ALTER TABLE ALTER COLUMN ADD ROWGUIDCOL failed because a column already exists in table '%.*ls' with ROWGUIDCOL property.
Msg4925
Severity16
Group4000–4999

Source: Database Engine events and errors