NOMAD JOB GETTING DEREGISTER in CONSUL

actually i have nomad server 2 client and 1 consul , so whenever i am running job in nomad it is regestering service in consul but after few seconds it is getting deregister from consul …can someone please help me

i have 3 nomad server 2 client and 1 consul

whenver i am trying to run job in nomad it is showing in consul but after few seconds it is getting deregister in consul

can anyone please help?