Tvheadend

HTS Tvheadend 4.3-2154~gec56067f4

PRETTY_NAME="Debian GNU/Linux 11 (bullseye)"
NAME="Debian GNU/Linux"
VERSION_ID="11"
VERSION="11 (bullseye)"
VERSION_CODENAME=bullseye

Linux thunder 5.10.0-25-amd64 #1 SMP Debian 5.10.191-1 (2023-08-16) x86_64 GNU/Linux

TV program recorded fine, comskip is set in config: /usr/bin/comskip --ini=/home/ME/.config/appdata/tvheadend/comskip/comskip.ini \"%f
Nothing special in the ini, just default.
In tvh, after recording:
@2023-08-31 06:00:00.041 spawn: Usage:

2023-08-31 06:00:00.041 spawn: comskip [-h|--help] [-w|--debugwindow] [-n|--playnice] [--zpcut] [--zpchapter] [--scf] [--videoredo] [--videoredo3] [--csvout] [--quality] [--plist] [-m|--demux] [--hwassist] [--cuvid] [--vdpau] [--dxva2] [--decoders] [--threads=] [-p|--pid=] [-t|--ts] [-d|--detectmethod=] [-v|--verbose=] [-u|--dump=] [-s|--play] [--timing] [-q|--quiet] [--ini=] [--logo=] [--cut=] [--output=] [--output-filename=] [--selftest=] []

LIST OF COMSKIP OPTIONS

2023-08-31 06:00:00.041 spawn: Detection methods available:

2023-08-31 06:00:00.041 spawn: 1 - Black Frame

2023-08-31 06:00:00.041 spawn: 2 - Logo

2023-08-31 06:00:00.041 spawn: 4 - Scene Change

2023-08-31 06:00:00.041 spawn: 8 - Resolution Change

2023-08-31 06:00:00.041 spawn: 16 - Closed Captions

2023-08-31 06:00:00.041 spawn: 32 - Aspect Ratio

2023-08-31 06:00:00.041 spawn: 64 - Silence

2023-08-31 06:00:00.041 spawn: 128 - CutScenes

2023-08-31 06:00:00.041 spawn: 255 - USE ALL AVAILABLE

2023-08-31 06:00:00.041 spawn: Errors:

2023-08-31 06:00:00.041 spawn: ComSkip: excess option Goes

2023-08-31 06:00:00.041 spawn: ComSkip: unexpected argument "to"

2023-08-31 06:00:00.041 spawn: ComSkip: unexpected argument "Paris.ts"@

From the commandline and same file, comskip completes fine.
/usr/bin/comskip --ini=/home/ME/.config/appdata/tvheadend/comskip/comskip.ini /mnt/recordings/Chitty\ Chitty\ Bang\ Bang.ts

ls -all /mnt/recordings/
total 1935404
drwxrwxrwx 2 ME ME 4096 Aug 31 06:29 .
drwxr-xr-x 7 root root 4096 Jul 31 15:03 ..
-rw-r--r-- 1 ME ME 530158 Aug 31 06:29 'Chitty Chitty Bang Bang.log'
-rw-r--r-- 1 ME ME 116127 Aug 31 06:24 'Chitty Chitty Bang Bang.logo.txt'
-rw-rw-r-- 1 hts video 1599848040 Aug 30 18:59 'Chitty Chitty Bang Bang.ts'
-rw-r--r-- 1 ME ME 103 Aug 31 06:29 'Chitty Chitty Bang Bang.txt'
-rw-r--r-- 1 ME ME 96 Aug 31 06:29 'Chitty Chitty Bang Bang.vdr'

This is installed to disk.
Previous version had no problem