Reason: Unrecovered Read Error Double layer?

I have burn at first time double layers goes good without verify problemo. 2 discs give me the verify fault Reason: Unrecovered Read Error? But the rest are working very good.

Have anyone this problem too, what can the problem be?

I 17:26:42 ImgBurn Version 2.4.2.0 started!
I 17:26:42 Microsoft Windows XP Home Edition (5.1, Build 2600 : Service Pack 2)
I 17:26:42 Total Physical Memory: 523.760 KB - Available: 232.212 KB
W 17:26:42 Drive D:\ (FAT32) does not support single files > 4 GB in size.
I 17:26:42 Initialising SPTI...
I 17:26:42 Searching for SCSI / ATAPI devices...
I 17:26:42 Found 1 DVD±RW/RAM!
I 17:29:26 Operation Started!
I 17:29:26 Source File: C:\Documents and Settings\Eigenaar\Bureaublad\Nieuwe map (6)\Majboor (1974).mds
I 17:29:26 Source File Sectors: 3.388.416 (MODE1/2048)
I 17:29:26 Source File Size: 6.939.475.968 bytes
I 17:29:26 Source File Volume Identifier: Majboor (1974)
I 17:29:26 Source File Volume Set Identifier: 395D89D20033B3FA
I 17:29:26 Source File Application Identifier: IMGBURN V2.4.2.0 - THE ULTIMATE IMAGE BURNER!
I 17:29:26 Source File Implementation Identifier: ImgBurn
I 17:29:26 Source File File System(s): ISO9660; UDF (1.02)
I 17:29:26 Destination Device: [2:0:0] PLEXTOR DVDR PX-800A 1.00 (E (ATA)
I 17:29:26 Destination Media Type: DVD+R DL (Disc ID: RICOHJPN-D01-67) (Speeds: 2,4x; 4x; 6x; 8x)
I 17:29:26 Destination Media Sectors: 4.173.824
I 17:29:26 Write Mode: DVD
I 17:29:26 Write Type: DAO
I 17:29:26 Write Speed: 2,4x
I 17:29:26 Link Size: Auto
I 17:29:26 Test Mode: No
I 17:29:26 OPC: No
I 17:29:26 BURN-Proof: Enabled
I 17:29:27 Book Type Setting: N/A
I 17:29:27 Optimal L0 Data Zone Capacity: 1.818.224
I 17:29:27 Optimal L0 Data Zone Method: Copied From Original Disc
I 17:29:52 Filling Buffer... (20 MB)
I 17:29:53 Writing LeadIn...
I 17:29:54 Writing Session 1 of 1... (1 Track, LBA: 0 - 3388415)
I 17:29:54 Writing Track 1 of 1... (MODE1/2048, LBA: 0 - 3388415)
I 17:29:54 Writing Layer 0... (LBA: 0 - 1818223)
I 17:48:07 Writing Layer 1... (LBA: 1818224 - 3388415)
I 18:04:20 Synchronising Cache...
I 18:04:21 Closing Track...
I 18:04:42 Finalising Disc...
I 18:08:07 Exporting Graph Data...
I 18:08:07 Graph Data File: C:\Documents and Settings\Eigenaar\Application Data\ImgBurn\Graph Data Files\PLEXTOR_DVDR_PX-800A_1.00_WOENSDAG-29-OKTOBER-2008_17-29_RICOHJPN-D01-67_2,4x.ibg
I 18:08:07 Export Successfully Completed!
I 18:08:07 Operation Successfully Completed! - Duration: 00:38:40
I 18:08:07 Average Write Rate: 3.281 KB/s (2.4x) - Maximum Write Rate: 3.465 KB/s (2.5x)
I 18:08:07 Cycling Tray before Verify...
I 18:08:34 Device Ready!
I 18:08:41 Operation Started!
I 18:08:41 Source Device: [2:0:0] PLEXTOR DVDR PX-800A 1.00 (E (ATA)
I 18:08:41 Source Media Type: DVD+R DL (Book Type: DVD-ROM) (Disc ID: RICOHJPN-D01-67) (Speeds: 2,4x; 4x; 6x; 8x)
I 18:08:41 Image File: C:\Documents and Settings\Eigenaar\Bureaublad\Nieuwe map (6)\Majboor (1974).mds
I 18:08:41 Image File Sectors: 3.388.416 (MODE1/2048)
I 18:08:41 Image File Size: 6.939.475.968 bytes
I 18:08:41 Image File Volume Identifier: Majboor (1974)
I 18:08:41 Image File Volume Set Identifier: 395D89D20033B3FA
I 18:08:41 Image File Application Identifier: IMGBURN V2.4.2.0 - THE ULTIMATE IMAGE BURNER!
I 18:08:41 Image File Implementation Identifier: ImgBurn
I 18:08:41 Image File File System(s): ISO9660; UDF (1.02)
I 18:08:41 Read Speed (Data/Audio): MAX / MAX
I 18:08:41 Verifying Session 1 of 1... (1 Track, LBA: 0 - 3388415)
I 18:08:41 Verifying Track 1 of 1... (MODE1/2048, LBA: 0 - 3388415)
I 18:08:41 Verifying Layer 0... (LBA: 0 - 1818223)
I 18:16:21 Verifying Layer 1... (LBA: 1818224 - 3388415)
W 18:21:44 Failed to Read Sector 3232576 - Reason: Unrecovered Read Error
W 18:21:44 Sector 3232576 maps to File: \VIDEO_TS\VTS_03_1.VOB
W 18:21:46 Failed to Read Sector 3232577 - Reason: Unrecovered Read Error
W 18:21:46 Sector 3232577 maps to File: \VIDEO_TS\VTS_03_1.VOB
W 18:21:49 Failed to Read Sector 3232578 - Reason: Unrecovered Read Error
W 18:21:49 Sector 3232578 maps to File: \VIDEO_TS\VTS_03_1.VOB
W 18:21:52 Failed to Read Sector 3232579 - Reason: Unrecovered Read Error
W 18:21:52 Sector 3232579 maps to File: \VIDEO_TS\VTS_03_1.VOB
W 18:21:54 Failed to Read Sector 3232580 - Reason: Unrecovered Read Error
W 18:21:54 Sector 3232580 maps to File: \VIDEO_TS\VTS_03_1.VOB
W 18:21:57 Failed to Read Sector 3232581 - Reason: Unrecovered Read Error
W 18:21:57 Sector 3232581 maps to File: \VIDEO_TS\VTS_03_1.VOB
W 18:22:00 Failed to Read Sector 3232582 - Reason: Unrecovered Read Error
W 18:22:00 Sector 3232582 maps to File: \VIDEO_TS\VTS_03_1.VOB
W 18:22:02 Failed to Read Sector 3232583 - Reason: Unrecovered Read Error
W 18:22:02 Sector 3232583 maps to File: \VIDEO_TS\VTS_03_1.VOB
W 18:22:06 Failed to Read Sector 3232584 - Reason: Unrecovered Read Error
W 18:22:06 Sector 3232584 maps to File: \VIDEO_TS\VTS_03_1.VOB
W 18:22:08 Failed to Read Sector 3232585 - Reason: Unrecovered Read Error
W 18:22:08 Sector 3232585 maps to File: \VIDEO_TS\VTS_03_1.VOB
W 18:22:13 Failed to Read Sector 3232586 - Reason: Unrecovered Read Error
W 18:22:13 Sector 3232586 maps to File: \VIDEO_TS\VTS_03_1.VOB
W 18:22:22 Failed to Read Sector 3232587 - Reason: Unrecovered Read Error
W 18:22:22 Sector 3232587 maps to File: \VIDEO_TS\VTS_03_1.VOB

 

was double