this kind of errors always came up when it tried to close the session.
whats the problem?

Thread1: Reading Disc Info
Thread1: Reading Next Track Info
Thread1: Start LBA is 452
Thread1: Processing Track 2 [Mode2] [349536 Sectors]
Thread1: Converting from Mode2/2352 to Mode2/2332 on the fly
Thread2: Executing
Thread2: Synchronizing Cache

Thread2: Closing Session
Thread2: Close Session Error occurred
Thread2: Sense Error: ILLEGAL_REQUEST (COMMAND SEQUENCE ERROR) (0x05 0x2C 0x00)
Recording complete