Seaquel
SQL Server error code

SQL Server error 8019

SQL Server raises error 8019 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" (CLR type) has an invalid user type specified.
Msg8019
Severity16
Group8000–8999

Source: Database Engine events and errors