DVD WOULD NOT COPY OS ERROR

[dhbrose]

Attempted to copy A WALK IN THE WOODS
Tried 3 times.
Log copied below.
1st time this has happened. 1st time for everything.
Any ideas????????

MakeMKV v1.9.9 win(x64-release) started
Using direct disc access mode
Title #2 has length of 22 seconds which is less than minimum title length of 60 seconds and was therefore skipped
Title #4 has length of 5 seconds which is less than minimum title length of 60 seconds and was therefore skipped
Title #6 has length of 10 seconds which is less than minimum title length of 60 seconds and was therefore skipped
Title #7 has length of 10 seconds which is less than minimum title length of 60 seconds and was therefore skipped
Title #8 has length of 10 seconds which is less than minimum title length of 60 seconds and was therefore skipped
Title #9 has length of 10 seconds which is less than minimum title length of 60 seconds and was therefore skipped
Title #10 has length of 10 seconds which is less than minimum title length of 60 seconds and was therefore skipped
Title #11 has length of 10 seconds which is less than minimum title length of 60 seconds and was therefore skipped
Title #12 has length of 10 seconds which is less than minimum title length of 60 seconds and was therefore skipped
Title #13 has length of 10 seconds which is less than minimum title length of 60 seconds and was therefore skipped
Title #14 has length of 10 seconds which is less than minimum title length of 60 seconds and was therefore skipped
Title #15 has length of 10 seconds which is less than minimum title length of 60 seconds and was therefore skipped
Title #16 was added (1 cell(s), 0:04:31)
Title #17 was added (1 cell(s), 0:03:19)
Title #18 was added (1 cell(s), 0:02:31)
Title #19 was added (17 cell(s), 1:30:30)
Title #20 was added (1 cell(s), 0:04:33)
Title #21 was added (1 cell(s), 0:01:07)
Title #22 was added (7 cell(s), 0:16:45)
Title #23 was added (1 cell(s), 0:02:40)
Title #24 was added (1 cell(s), 0:02:17)
Title #25 was added (1 cell(s), 0:02:20)
Title #26 was added (1 cell(s), 0:02:30)
Title #27 was added (1 cell(s), 0:02:33)
Title #28 was added (1 cell(s), 0:01:54)
Title #29 was added (1 cell(s), 0:02:31)
Title #30 was added (4 cell(s), 0:09:28)
Operation successfully completed
Saving 3 titles into directory C:/MOVIES
Error 'OS error - The I/O device reported an I/O error' occurred while reading '/VIDEO_TS/VTS_08_1.VOB' at offset '1879179264'
Error 'OS error - STATUS_DEVICE_DATA_ERROR' occurred while reading '\Device\CdRom0' at offset '1879179264'
Error 'OS error - STATUS_DEVICE_DATA_ERROR' occurred while reading '\Device\CdRom0' at offset '1879179264'
Error 'OS error - STATUS_DEVICE_DATA_ERROR' occurred while reading '\Device\CdRom0' at offset '1879179264'
Error 'OS error - STATUS_DEVICE_DATA_ERROR' occurred while reading '\Device\CdRom0' at offset '1879179264'
Error 'OS error - STATUS_DEVICE_DATA_ERROR' occurred while reading '\Device\CdRom0' at offset '1879179264'
Error 'OS error - The I/O device reported an I/O error' occurred while reading '/VIDEO_TS/VTS_08_1.VOB' at offset '1879179264'
Error 'OS error - The I/O device reported an I/O error' occurred while reading '/VIDEO_TS/VTS_08_1.VOB' at offset '1879179264'
Error 'OS error - The I/O device reported an I/O error' occurred while reading '/VIDEO_TS/VTS_08_1.VOB' at offset '1879179264'
Error 'OS error - The I/O device reported an I/O error' occurred while reading '/VIDEO_TS/VTS_08_1.VOB' at offset '1879179264'
Error 'OS error - The I/O device reported an I/O error' occurred while reading '/VIDEO_TS/VTS_08_1.VOB' at offset '1879179264'
Error 'OS error - The I/O device reported an I/O error' occurred while reading '/VIDEO_TS/VTS_08_1.VOB' at offset '1879179264'
Failed to save title 3 to file C:/MOVIES/title03.mkv
Error 'OS error - The I/O device reported an I/O error' occurred while reading '/VIDEO_TS/VTS_11_1.VOB' at offset '0'
Error 'OS error - The I/O device reported an I/O error' occurred while reading '/VIDEO_TS/VTS_11_1.VOB' at offset '0'
Error 'OS error - The I/O device reported an I/O error' occurred while reading '/VIDEO_TS/VTS_11_1.VOB' at offset '0'
Error 'OS error - The I/O device reported an I/O error' occurred while reading '/VIDEO_TS/VTS_11_1.VOB' at offset '0'
Error 'OS error - The I/O device reported an I/O error' occurred while reading '/VIDEO_TS/VTS_11_1.VOB' at offset '0'
Error 'OS error - The I/O device reported an I/O error' occurred while reading '/VIDEO_TS/VTS_11_1.VOB' at offset '0'
Error 'OS error - The I/O device reported an I/O error' occurred while reading '/VIDEO_TS/VTS_11_1.VOB' at offset '0'
Failed to save title 6 to file C:/MOVIES/title06.mkv
Error 'OS error - The I/O device reported an I/O error' occurred while reading '/VIDEO_TS/VTS_11_1.VOB' at offset '0'
Error 'OS error - The I/O device reported an I/O error' occurred while reading '/VIDEO_TS/VTS_11_1.VOB' at offset '0'
Error 'OS error - The I/O device reported an I/O error' occurred while reading '/VIDEO_TS/VTS_11_1.VOB' at offset '0'
Error 'OS error - The I/O device reported an I/O error' occurred while reading '/VIDEO_TS/VTS_11_1.VOB' at offset '0'
Error 'OS error - The I/O device reported an I/O error' occurred while reading '/VIDEO_TS/VTS_11_1.VOB' at offset '0'
Error 'OS error - The I/O device reported an I/O error' occurred while reading '/VIDEO_TS/VTS_11_1.VOB' at offset '0'
Error 'OS error - The I/O device reported an I/O error' occurred while reading '/VIDEO_TS/VTS_11_1.VOB' at offset '0'
Failed to save title 14 to file C:/MOVIES/title14.mkv
0 titles saved, 3 failed

[Woodstock]

Wild guess - external drive, goes off-line as speed increases, due to insufficient power on the USB port. System tries reconnecting.

But that's just based upon the error sequence.