Snakeoil Firmware - 1.2.13 (Gear Isolation U13)

[Snoopy8]

Upmpdcli not installing on Pi2Design Mercury V2 Streamer with CM4 module
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*** Name: upmpdcli Mode: Installing ***
gpg: directory '/root//.gnupg' created
gpg: keybox '/root//.gnupg/pubring.kbx' created
gpg: /root//.gnupg/trustdb.gpg: trustdb created
gpg: key 7808CE96D38B9201: public key "Jean-Francois Dockes <[email protected]>" imported
gpg: Total number processed: 1
gpg:               imported: 1
Warning: apt-key is deprecated. Manage keyring files in trusted.gpg.d instead (see apt-key(8)).
OK
(Re-)Creating upmpdcli repo
Hit:1 http://ports.ubuntu.com/ubuntu-ports jammy InRelease
Hit:2 http://ports.ubuntu.com/ubuntu-ports jammy-updates InRelease
Hit:4 http://ports.ubuntu.com/ubuntu-ports jammy-backports InRelease
Hit:5 http://ports.ubuntu.com/ubuntu-ports jammy-security InRelease
Ign:3 https://www.lesbonscomptes.com/upmpdcli/...s/raspbian jammy InRelease
Err:6 https://www.lesbonscomptes.com/upmpdcli/...s/raspbian jammy Release
  404  Not Found [IP: 62.210.16.61 443]
Reading package lists...
E: The repository 'http://www.lesbonscomptes.com/upmpdcli/downloads/raspbian jammy Release' does not have a Release file.
Reading package lists...
Building dependency tree...
Reading state information...
E: Unable to locate package upmpdcli
E: Unable to locate package upmpdcli-*
E: Couldn't find any package by glob 'upmpdcli-*'
E: Couldn't find any package by regex 'upmpdcli-*'
Failed to disable unit: Unit file upmpdcli.service does not exist.
Failed to stop upmpdcli.service: Unit upmpdcli.service not loaded.