FAILED TO SAVE TITLE

[dusdat]

Hi everybody,
I'm new here so please forgive me if my question's already been answered.
I recently formatted my Harddrive and had to install my software again, including MakeMKV.
But now each time i try to make MKV's from my DVD's it says failed to save title, for example:

Operation sucessfully completed
Saving 9 titles into directory C:/Video/THE_OFFICE_SERIES_2
Failed to save title 0 to file C:/Video/THE_OFFICE_SERIES_2/title00.mkv
Failed to save title 1 to file C:/Video/THE_OFFICE_SERIES_2/title01.mkv
Failed to save title 2 to file C:/Video/THE_OFFICE_SERIES_2/title02.mkv
Failed to save title 3 to file C:/Video/THE_OFFICE_SERIES_2/title03.mkv

I tried it with different types of files but everytime the same thing...
Am I missing out on something? Do I do something wrong?
Does anyone know what to do?
I would appreciate any help, ty.

PS I just noticed that some more errors appear:

Calculated BUP offset does not match one in IFO header.
Calculated BUP offset does not match one in IFO header.
Calculated BUP offset does not match one in IFO header.
Calculated BUP offset does not match one in IFO header.
Calculated BUP offset does not match one in IFO header.
Calculated BUP offset does not match one in IFO header.
Calculated BUP offset does not match one in IFO header.
Calculated BUP offset does not match one in IFO header.
Calculated BUP offset does not match one in IFO header.
Calculated BUP offset does not match one in IFO header.
Calculated BUP offset does not match one in IFO header.
Calculated BUP offset does not match one in IFO header.
Calculated BUP offset does not match one in IFO header.
Cell 7 was discarded (structure protection?)
Title #0 was added (6 cell(s), 0:29:16)
Cell 7 was discarded (structure protection?)
Title #1 was added (6 cell(s), 0:29:23)
Cell 7 was discarded (structure protection?)
Title #2 was added (6 cell(s), 0:29:07)
Cell 8 was discarded (structure protection?)
Title #3 was added (7 cell(s), 0:29:13)
Cell 7 was discarded (structure protection?)
Title #4 was added (6 cell(s), 0:28:58)
Cell 7 was discarded (structure protection?)
Title #5 was added (6 cell(s), 0:29:04)
Title #6 was added (1 cell(s), 0:13:08)
Title #7 was added (1 cell(s), 0:07:43)
Title #8 was added (4 cell(s), 0:20:10)
Title #9 has length of 21 seconds which is less than minimum title length of 120 seconds and was therefore skipped

[setarip_old]

@dusdat

Hi!

THE_OFFICE_SERIES_2

Is your source material ORIGINAL, COMMERCIAL DVDS?

I ask because the title indicated appears to be associated with more than one hundred torrents links per Google - but is different than the title noted for commercial sources.