Seaquel
SQL Server error code

SQL Server error 8946

SQL Server raises error 8946 at severity 16, which marks a problem with the query or data that you can correct.

Table error: Allocation page %S_PGID has invalid %ls page header values. Type is %d. Check type, alloc unit ID and page ID on the page.
Msg8946
Severity16
Group8000–8999

Source: Database Engine events and errors