DVD Ripping - cracking error

I'm using this commandCode: HandBrakeCLI /dev/sr0 -t 2 -r 25 -e x265 --encoder-preset veryfast -o Title-2.mp4And I get this error Code:libdvdread: Elapsed time 0
libdvdread: Get key for /VIDEO_TS/VTS_04_0.VOB at 0x001c53b0
libdvdread: Elapsed time 0
libdvdread: Get key for /VIDEO_TS/VTS_04_1.VOB at 0x001c5446
Encoding: task 1 of 1, 0.00 %libdvdread: Error cracking CSS key for /VIDEO_TS/VTS_04_1.VOB (0x001c5446)!!
libdvdread: Elapsed time 2
libdvdread: Get key for /VIDEO_TS/VTS_05_0.VOB at 0x002a1522
libdvdread: Elapsed time 0
lHow do I update libdvdread or is the error elsewhere

I'm using HandBrakeCLI version 1.3.1 on a Linux Mint 64bit machine.

It works just fine with many other dvds, but not this one!

I like HandBrakeCLI so if it's just a library update that's fine.

I should add the dvd plays just fine on an old dvdplayer

Cheers