invalid proxmox subscription key

[jer1981]

my valid and once was working 2 socket key is now return invalid server ID
wasnt sure if I should post that here but its now reporting invalid server ID and not letting me update
no HW has changed, how can this be corrected?

 

[dcsapak]

for subscription problem please contact your reseller or our shop https://shop.maurer-it.com/index.php