This message doesn't come from dvdbackup, but from the underlying libdvdread library [1]. I am marking this bug as invalid for dvdbackup. Please report this bug to the authors of libdvdread.
[1] ifoRead_VTS_TMAPT function in libdvdread/src/ifo_read.c
This message doesn't come from dvdbackup, but from the underlying libdvdread library [1]. I am marking this bug as invalid for dvdbackup. Please report this bug to the authors of libdvdread.
[1] ifoRead_VTS_TMAPT function in libdvdread/ src/ifo_ read.c