An error of the server or of the transport.
:message- for a server error, SQLite's message, e.g."UNIQUE constraint failed: users.name"(the server's"SQLite error: "prefix is removed, so thatecto_sqlite3recognises constraint errors);:code- the SQLite error code, e.g."SQLITE_CONSTRAINT_UNIQUE", ornilfor a transport error (network, HTTP status);:statement- the SQL of the statement that failed.