Unable to locate package // Ubunto 22.04

Guten Abend,

ich versuche mich gerade an der Installation von Homegear auf einem Proxmox CT / Ubuntu 22.04
Selbstredend habe ich mich strick an die Installationsanleitung gehalten, trotzdem laufen diese Fehler bei der Installation auf

Reading state information… Done
E: Unable to locate package homegear
E: Unable to locate package homegear-management
E: Unable to locate package homegear-nodes-core
E: Unable to locate package homegear-nodes-extra
E: Unable to locate package homegear-homematicbidcos
E: Unable to locate package homegear-homematicwired
E: Unable to locate package homegear-insteon
E: Unable to locate package homegear-max
E: Unable to locate package homegear-philipshue
E: Unable to locate package homegear-sonos
E: Unable to locate package homegear-kodi
E: Unable to locate package homegear-ipcam
E: Unable to locate package homegear-beckhoff
E: Unable to locate package homegear-knx
E: Unable to locate package homegear-enocean
E: Unable to locate package homegear-intertechno
E: Unable to locate package homegear-nanoleaf
E: Unable to locate package homegear-ccu
E: Unable to locate package homegear-mbus
E: Unable to locate package homegear-influxdb

Da scheint wohl was mit der Quelle nicht zu stimmen