Something did moved. Now i've got this output:
libdvdread: Using libdvdcss version 1.2.9 for DVD access
libdvdnav

VDOpenFileUDF:UDFFindFile /VIDEO_TS/VIDEO_TS.IFO failed
libdvdnav

VDOpenFileUDF:UDFFindFile /VIDEO_TS/VIDEO_TS.BUP failed
libdvdread: Can't open file VIDEO_TS.IFO.
What to do next?