Poltto ongelma

Thread1: Executing (Cache enabled)
Recording device: SONY DVD RW DRU-500A
Firmware version: 2.1a
Recording method: Session-at-once
Recording Speed: Max
BURN Proof: Enabled

//----------------------------------------------------------------------
// Burning - data is being permanently written to CD
//----------------------------------------------------------------------

Thread1: Setting Write Parameters
Thread1: Write parameters set
Thread1: Reading Disc Info
Thread1: Reading Next Track Info
Thread1: Start LBA is -150
Thread1: Sending Cue Sheet
Thread1: Processing Track 1 Pregap [150 Sectors]
Thread1: Processing Track 1 [Audio] [17418 Sectors]
Thread2: Executing
Thread2: Write Error @ Sector 3294
Thread2: Sense Error: MEDIUM_ERROR (POWER CALIBRATION AREA ERROR) (0x03 0x73 0x03)
Thread2: Synchronizing Cache
Recording complete
Eli joku ongelma löytyy, mutta mikä sen aiheuttaa. Olisiko kellään tietoa?