Hi, I have the same issue.
Bash:
proxmox-backup-manager versions --verbose
OUTPUT:
root@pbs01:~# proxmox-backup-manager versions --verbose
proxmox-backup 1.0-4 running kernel: 5.4.106-1-pve
proxmox-backup-server 1.1.1-1 running version: 1.1.1
pve-kernel-5.4 6.3-8
pve-kernel-helper 6.3-8
pve-kernel-5.4.106-1-pve 5.4.106-1
ifupdown2 3.0.0-1+pve3
libjs-extjs 6.0.1-10
proxmox-backup-docs 1.1.1-1
proxmox-backup-client 1.1.1-1
proxmox-mini-journalreader 1.1-1
proxmox-widget-toolkit 2.5-1
pve-xtermjs 4.7.0-3
smartmontools 7.2-pve2
zfsutils-linux 2.0.4-pve1
Bash:
systemctl status proxmox-backup-proxy.service
root@pbs01:~# systemctl status proxmox-backup-proxy.service
● proxmox-backup-proxy.service - Proxmox Backup API Proxy Server
Loaded: loaded (/lib/systemd/system/proxmox-backup-proxy.service; enabled; vendor preset: enabled)
Active: failed (Result: exit-code) since Fri 2021-09-03 16:14:47 -03; 24min ago
Process: 1271 ExecStart=/usr/lib/x86_64-linux-gnu/proxmox-backup/proxmox-backup-proxy (code=exited, status=127)
Main PID: 1271 (code=exited, status=127)
CPU: 1ms
Sep 03 16:14:47 pbs01 systemd[1]: proxmox-backup-proxy.service: Scheduled restart job, restart counter is at 5.
Sep 03 16:14:47 pbs01 systemd[1]: Stopped Proxmox Backup API Proxy Server.
Sep 03 16:14:47 pbs01 systemd[1]: proxmox-backup-proxy.service: Start request repeated too quickly.
Sep 03 16:14:47 pbs01 systemd[1]: proxmox-backup-proxy.service: Failed with result 'exit-code'.
Sep 03 16:14:47 pbs01 systemd[1]: Failed to start Proxmox Backup API Proxy Server.
Someone can help?