I've tried 3 times cleaning the disc in-between and it consistent.Using direct disc access mode
Calculated BUP offset for VTS #3 does not match one in IFO header.
Signature is invalid in IFO file
Signature is invalid in IFO file
Title #0 has length of 19 seconds which is less than minimum title length of 400 seconds and was therefore skipped
Complex multiplex encountered - 13 cells and 8200 VOBUs have to be scanned. This may take some time, please be patient - it can't be avoided.
Title #1 (2:16:34) was skipped due to navigation error
Complex multiplex encountered - 1 cells and 2875 VOBUs have to be scanned. This may take some time, please be patient - it can't be avoided.
Title #2 was added (1 cell(s), 0:47:54)
Title #3 in broken titleset was skipped
Title #4 in broken titleset was skipped
Operation successfully completed
Any ideas what I need to do please?
Many thanks,
Steve.