1. Login via ssh to host proxmox

  2. Let’s move to directory js

cd /usr/share/pve-manager/js/
  1. Backup file
cp pvemanagerlib.js pvemanagerlib.js.bkp
  1. Change File

Before

if (data.status === 'Active') {
    Ext.Msg.show({
      title: gettext('No valid subscription'),
      icon: Ext.Msg.WARNING,
      msg: PVE.Utils.noSubKeyHtml,
      buttons: Ext.Msg.OK,
      callback: function(btn) {
          if (btn !== 'ok') {
              return;
          }
          orig_cmd();
      }
    });
} else {
    orig_cmd();
}

After

if (data.status === 'Active') {
    Ext.Msg.show({
      title: gettext('No valid subscription'),
      icon: Ext.Msg.WARNING,
      msg: PVE.Utils.noSubKeyHtml,
      buttons: Ext.Msg.OK,
      callback: function(btn) {
          if (btn !== 'ok') {
              return;
          }
          orig_cmd();
      }
    });
} else {
    orig_cmd();
}