Seaquel
SQL Server error code

SQL Server error 2799

SQL Server raises error 2799 at severity 16, which marks a problem with the query or data that you can correct.

Cannot create index or statistics '%.*ls' on table '%.*ls' because the computed column '%.*ls' is imprecise and not persisted. Consider removing column from index or statistics key or marking computed column persisted.
Msg2799
Severity16
Group2000–2999

Source: Database Engine events and errors