Remove subscription message on the web panel

Go to the install directory and backup the original js lib

cd /usr/share/javascript/proxmox-widget-toolkit && cp proxmoxlib.js proxmoxlib.js.bak && nano proxmoxlib.js

Search for this line

if (data.status !== 'Active') {

And replace by this

if (false) {

Then restart

systemctl restart pveproxy.service