Server simple disapear os the server list

Help me pls, I have a VRP server and we bought a base and he updated this and now when the server get 4 or 5 players, the server disappear of the list, Name: Real City, VPS: BHost Brasil, please help me

there could be 2 reasons why this is happening either ur server is losing connection to https://servers.fivem.net/servers which just makes ur server not show up but people can join using the server ip or it could be somethings wrong with ur server and its freezing the display of ur server on the list