Can someone please help me ?

Our fop2 dashboard was working fine for years . since last one month or so it is not showing all the boards properly . it just shows all the agents , but doesn't show queues and waiting calls . Although I have a valid license but it still shows this error "Validation problem. Please contact your provider"

/usr/local/fop2/fop2_server --test

Flash Operator Panel 2 - White Label Version
Flash Operator Panel 2 - Valid License (/usr/local/fop2/fop2.lic)
Flash Operator Panel 2 - Featureset: Basic
Flash Operator Panel 2 - Allowed Tenants: 5
Flash Operator Panel 2 - Licensed Plugin: fullwallboard

Connection to manager OK!