My WHM/cpanel are not loading , but websites are loading

Hello, My cpanel/whm panel are not loading . All my websites are loading, I have tried restarting cpanel service using ssh and none of them are working . I can see that cpanel, exim, cpsrvd have been failed. Please see the status in the screenshot below. I have tried even restarting my WHM panel and even I didnt install any kind of firewall . Before the panel was working fine, the problem has occurred from past week