Can't see 1 device in application

Can't see 1 device in application

We have license premium for 2 devices, atm i can't see in application logs from one device but it is up in device details and in packet count i can see many packets received. I restarted server,  firewall analyzer, firewall asa 5520 but not working still, i . It works well like 1 year ;( before. I create new syslog server but still 0 logs in application. u can see this in device.jpg