Seaquel
SQL Server error code

SQL Server error 4933

SQL Server raises error 4933 at severity 16, which marks a problem with the query or data that you can correct.

Computed column '%.*ls' in table '%.*ls' cannot be persisted because the column depends on a non-schemabound object.
Msg4933
Severity16
Group4000–4999

Source: Database Engine events and errors