Seaquel
SQL Server error code

SQL Server error 8014

SQL Server raises error 8014 at severity 16, which marks a problem with the query or data that you can correct.

The incoming tabular data stream (TDS) remote procedure call (RPC) protocol stream is incorrect. Parameter %d ("%.*ls"): Data type 0x%02X (sql_variant) has an invalid type for type-specific metadata.
Msg8014
Severity16
Group8000–8999

Source: Database Engine events and errors