I tried drilling down to find the log file but one of the folders in the description was not there I got this right from the application which was in the activity menu.
[16:03:16] macgui: Handbrake Version: 1.3.3 (2020061300)
[16:03:16] Compile-time hardening features are enabled
[16:03:16] macgui: Error domain: NSCocoaErrorDomain
[16:03:16] macgui: Error code: 4
[16:03:16] macgui: Error description: The file doesn’t exist.
[16:03:16] macgui: Error debug description: Error Domain=NSCocoaErrorDomain Code=4 "The file doesn’t exist."
[16:03:16] macgui: Error domain: NSCocoaErrorDomain
[16:03:16] macgui: Error code: 4
[16:03:16] macgui: Error description: The file doesn’t exist.
[16:03:16] macgui: Error debug description: Error Domain=NSCocoaErrorDomain Code=4 "The file doesn’t exist."
[16:03:16] macgui: Error domain: NSCocoaErrorDomain
[16:03:16] macgui: Error code: 4
[16:03:16] macgui: Error description: The file doesn’t exist.
[16:03:16] macgui: Error debug description: Error Domain=NSCocoaErrorDomain Code=4 "The file doesn’t exist."
[16:03:16] macgui: Error domain: NSCocoaErrorDomain
[16:03:16] macgui: Error code: 4
[16:03:16] macgui: Error description: The file doesn’t exist.
[16:03:16] macgui: Error debug description: Error Domain=NSCocoaErrorDomain Code=4 "The file doesn’t exist."
[16:03:16] macgui: Error domain: NSCocoaErrorDomain
[16:03:16] macgui: Error code: 4
[16:03:16] macgui: Error description: The file doesn’t exist.
[16:03:16] macgui: Error debug description: Error Domain=NSCocoaErrorDomain Code=4 "The file doesn’t exist."
[16:03:16] macgui: Error domain: NSCocoaErrorDomain
[16:03:16] macgui: Error code: 4
[16:03:16] macgui: Error description: The file doesn’t exist.
[16:03:16] macgui: Error debug description: Error Domain=NSCocoaErrorDomain Code=4 "The file doesn’t exist."
[16:03:16] hb_init: starting libhb thread
[16:03:16] hb_init: starting libhb thread
[16:05:42] macgui: ScanCore scanning titles with a duration of 10 seconds or more
[16:05:42] CPU: Intel(R) Xeon(R) CPU E5-2697 v2 @ 2.70GHz
[16:05:42] - Intel microarchitecture Ivy Bridge
[16:05:42] - logical processor count: 24
[16:05:42] hb_scan: path=/Volumes/Drobo 2/DOWNLOADS/FOLX DOWNLOADED MOVIES/Vanquish (2021) [1080p] [BluRay] [5.1] [YTS.MX]/Vanquish.2021.1080p.BluRay.x264.AAC5.1-[YTS.MX].mp4, title_index=0
udfread ERROR: ECMA 167 Volume Recognition failed
disc.c:323: failed opening UDF image /Volumes/Drobo 2/DOWNLOADS/FOLX DOWNLOADED MOVIES/Vanquish (2021) [1080p] [BluRay] [5.1] [YTS.MX]/Vanquish.2021.1080p.BluRay.x264.AAC5.1-[YTS.MX].mp4
disc.c:424: error opening file BDMV/index.bdmv
disc.c:424: error opening file BDMV/BACKUP/index.bdmv
bluray.c
nav_get_title_list(/Volumes/Drobo 2/DOWNLOADS/FOLX DOWNLOADED MOVIES/Vanquish (2021) [1080p] [BluRay] [5.1] [YTS.MX]/Vanquish.2021.1080p.BluRay.x264.AAC5.1-[YTS.MX].mp4/) failed
[16:05:42] bd: not a bd - trying as a stream/file instead
libdvdnav: Using dvdnav version 6.0.1
libdvdread: Encrypted DVD support unavailable.
libdvdread:DVDOpenFileUDF:UDFFindFile /VIDEO_TS/VIDEO_TS.IFO failed
libdvdread:DVDOpenFileUDF:UDFFindFile /VIDEO_TS/VIDEO_TS.BUP failed
libdvdread: Can't open file VIDEO_TS.IFO.
libdvdnav: vm: failed to read VIDEO_TS.IFO
[16:05:42] dvd: not a dvd - trying as a stream/file instead
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from '/Volumes/Drobo 2/DOWNLOADS/FOLX DOWNLOADED MOVIES/Vanquish (2021) [1080p] [BluRay] [5.1] [YTS.MX]/Vanquish.2021.1080p.BluRay.x264.AAC5.1-[YTS.MX].mp4':
Metadata:
major_brand : isom
minor_version : 512
compatible_brands: isomiso2avc1mp41
encoder : Lavf58.67.100
Duration: 01:34:08.60, start: 0.000000, bitrate: 2638 kb/s
Stream #0:0(und): Video: h264 (High) (avc1 / 0x31637661), yuv420p(tv, bt709), 1920x960 [SAR 1:1 DAR 2:1], 2249 kb/s, 23.98 fps, 23.98 tbr, 24k tbn, 47.95 tbc (default)
Metadata:
handler_name : VideoHandler
Stream #0:1(und): Audio: aac (LC) (mp4a / 0x6134706D), 48000 Hz, 5.1, fltp, 384 kb/s (default)
Metadata:
handler_name : SoundHandler
[16:05:42] scan: decoding previews for title 1
[16:05:42] scan: audio 0x1: aac, rate=48000Hz, bitrate=384002 Unknown (AAC LC) (5.1 ch) (384 kbps)
[16:05:42] scan: 10 previews, 1920x960, 23.976 fps, autocrop = 0/0/12/0, aspect 2.00:1, PAR 1:1
[16:05:42] libhb: scan thread found 1 valid title(s)
[16:05:42] macgui: ScanCore scan done
[16:38:54] macgui: QueueCore scanning specifically for title: 1
[16:38:54] CPU: Intel(R) Xeon(R) CPU E5-2697 v2 @ 2.70GHz
[16:38:54] - Intel microarchitecture Ivy Bridge
[16:38:54] - logical processor count: 24
[16:38:54] hb_scan: path=/Volumes/Drobo 2/DOWNLOADS/FOLX DOWNLOADED MOVIES/Vanquish (2021) [1080p] [BluRay] [5.1] [YTS.MX]/Vanquish.2021.1080p.BluRay.x264.AAC5.1-[YTS.MX].mp4, title_index=1
udfread ERROR: ECMA 167 Volume Recognition failed
disc.c:323: failed opening UDF image /Volumes/Drobo 2/DOWNLOADS/FOLX DOWNLOADED MOVIES/Vanquish (2021) [1080p] [BluRay] [5.1] [YTS.MX]/Vanquish.2021.1080p.BluRay.x264.AAC5.1-[YTS.MX].mp4
disc.c:424: error opening file BDMV/index.bdmv
disc.c:424: error opening file BDMV/BACKUP/index.bdmv
bluray.c
nav_get_title_list(/Volumes/Drobo 2/DOWNLOADS/FOLX DOWNLOADED MOVIES/Vanquish (2021) [1080p] [BluRay] [5.1] [YTS.MX]/Vanquish.2021.1080p.BluRay.x264.AAC5.1-[YTS.MX].mp4/) failed
[16:38:54] bd: not a bd - trying as a stream/file instead
libdvdnav: Using dvdnav version 6.0.1
libdvdread: Encrypted DVD support unavailable.
libdvdread:DVDOpenFileUDF:UDFFindFile /VIDEO_TS/VIDEO_TS.IFO failed
libdvdread:DVDOpenFileUDF:UDFFindFile /VIDEO_TS/VIDEO_TS.BUP failed
libdvdread: Can't open file VIDEO_TS.IFO.
libdvdnav: vm: failed to read VIDEO_TS.IFO
[16:38:54] dvd: not a dvd - trying as a stream/file instead
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from '/Volumes/Drobo 2/DOWNLOADS/FOLX DOWNLOADED MOVIES/Vanquish (2021) [1080p] [BluRay] [5.1] [YTS.MX]/Vanquish.2021.1080p.BluRay.x264.AAC5.1-[YTS.MX].mp4':
Metadata:
major_brand : isom
minor_version : 512
compatible_brands: isomiso2avc1mp41
encoder : Lavf58.67.100
Duration: 01:34:08.60, start: 0.000000, bitrate: 2638 kb/s
Stream #0:0(und): Video: h264 (High) (avc1 / 0x31637661), yuv420p(tv, bt709), 1920x960 [SAR 1:1 DAR 2:1], 2249 kb/s, 23.98 fps, 23.98 tbr, 24k tbn, 47.95 tbc (default)
Metadata:
handler_name : VideoHandler
Stream #0:1(und): Audio: aac (LC) (mp4a / 0x6134706D), 48000 Hz, 5.1, fltp, 384 kb/s (default)
Metadata:
handler_name : SoundHandler
[16:38:54] scan: decoding previews for title 1
[16:38:54] scan: audio 0x1: aac, rate=48000Hz, bitrate=384002 Unknown (AAC LC) (5.1 ch) (384 kbps)
[16:38:55] scan: 10 previews, 1920x960, 23.976 fps, autocrop = 0/0/12/0, aspect 2.00:1, PAR 1:1
[16:38:55] libhb: scan thread found 1 valid title(s)
[16:38:55] macgui: QueueCore scan done
[16:38:55] macgui: QueueCore started encoding Vanquish.2021.1080p.BluRay.x264.AAC5.1-[YTS.MX].mkv
[16:38:55] macgui: QueueCore with preset H.265 MKV 2160p60
[16:38:55] Starting work at: Sat May 22 16:38:55 2021
[16:38:55] 1 job(s) to process
[16:38:55] Starting Task: Encoding Pass
[16:38:55] work: only 1 chapter, disabling chapter markers
[16:38:55] job configuration:
[16:38:55] * source
[16:38:55] + /Volumes/Drobo 2/DOWNLOADS/FOLX DOWNLOADED MOVIES/Vanquish (2021) [1080p] [BluRay] [5.1] [YTS.MX]/Vanquish.2021.1080p.BluRay.x264.AAC5.1-[YTS.MX].mp4
[16:38:55] + title 1, chapter(s) 1 to 1
[16:38:55] + container: mov,mp4,m4a,3gp,3g2,mj2
[16:38:55] + data rate: 2638 kbps
[16:38:55] * destination
[16:38:55] + /Volumes/MOVIES BACKUP OCT 2018/Vanquish.2021.1080p.BluRay.x264.AAC5.1-[YTS.MX].mkv
[16:38:55] + container: Matroska (libavformat)
[16:38:55] * video track
[16:38:55] + decoder: h264
[16:38:55] + bitrate 2249 kbps
[16:38:55] + filters
[16:38:55] + Comb Detect (mode=3:spatial-metric=2:motion-thresh=1:spatial-thresh=1:filter-mode=2:block-thresh=40:block-width=16:block-height=16)
[16:38:55] + Decomb (mode=39)
[16:38:55] + Framerate Shaper (mode=2:rate=27000000/450000)
[16:38:55] + frame rate: 23.976 fps -> peak rate limited to 60.000 fps
[16:38:55] + Crop and Scale (width=1908:height=960:crop-top=0:crop-bottom=0:crop-left=12:crop-right=0)
[16:38:55] + source: 1920 * 960, crop (0/0/12/0): 1908 * 960, scale: 1908 * 960
[16:38:55] + Output geometry
[16:38:55] + storage dimensions: 1908 x 960
[16:38:55] + pixel aspect ratio: 1 : 1
[16:38:55] + display dimensions: 1908 x 960
[16:38:55] + encoder: H.265 (libx265)
[16:38:55] + preset: slow
[16:38:55] + options: strong-intra-smoothing=0:rect=0:aq-mode=1
[16:38:55] + profile: main
[16:38:55] + level: auto
[16:38:55] + quality: 24.00 (RF)
[16:38:55] + color profile: 1-1-1
[16:38:55] * audio track 1
[16:38:55] + decoder: Unknown (AAC LC) (5.1 ch) (384 kbps) (track 1, id 0x1)
[16:38:55] + bitrate: 384 kbps, samplerate: 48000 Hz
[16:38:55] + mixdown: Stereo
[16:38:55] + dither: triangular
[16:38:55] + encoder: AAC (Apple AudioToolbox)
[16:38:55] + bitrate: 160 kbps, samplerate: 48000 Hz
[16:38:55] sync: expecting 135431 video frames
x265 [info]: HEVC encoder version 3.2.1+1-b5c86a64bbbe
x265 [info]: build info [Mac OS X][clang 11.0.3][64 bit] 8bit+10bit+12bit
x265 [info]: using cpu capabilities: MMX2 SSE2Fast SSSE3 SSE4.2 AVX
x265 [info]: Main profile, Level-4 (Main tier)
x265 [info]: Thread pool created using 24 threads
x265 [info]: Slices : 1
x265 [info]: frame threads / pool features : 4 / wpp(15 rows)
x265 [info]: Coding QT: max CU size, min CU size : 64 / 8
x265 [info]: Residual QT: max TU size, max depth : 32 / 1 inter / 1 intra
x265 [info]: ME / range / subpel / merge : star / 57 / 3 / 3
x265 [info]: Keyframe min / max / scenecut / bias: 24 / 240 / 40 / 5.00
x265 [info]: Lookahead / bframes / badapt : 25 / 4 / 2
x265 [info]: b-pyramid / weightp / weightb : 1 / 1 / 0
x265 [info]: References / ref-limit cu / depth : 4 / on / on
x265 [info]: AQ: mode / str / qg-size / cu-tree : 1 / 1.0 / 32 / 1
x265 [info]: Rate Control / qCompress : CRF-24.0 / 0.60
x265 [info]: tools: limit-modes rd=4 psy-rd=2.00 rdoq=2 psy-rdoq=1.00 rskip
x265 [info]: tools: signhide tmvp lslices=4 deblock sao
[16:38:55] sync: first pts video is 0
[16:38:55] sync: "Chapter 1" (1) at frame 1 time 0
[16:38:55] sync: first pts audio 0x1 is 0