GSA 4160B not for Dual Layer+R

I have a GSA 4160B and it does not recognize Dual Layer +R and the DVD Identifier 4.3.0 shows
[17:42:35] ERROR : ADIP Read M1 Failed : Illegal request - Invalid field in CDB [05/24/00]
[17:42:35] INFO : ADIP Read Method 1 Not Supported ; Method 2 Will Be Attempted
What can I do?

What brand and speed are those discs and what firmware version is your drive using?

Verbs only.