F@H not possible anymore?

[DNSMaster]

"'65.254.110.245:8080': No WUs available for this configuration
15:48:10:WU01:FS01:Connecting to 18.218.241.186:80
15:48:10:WARNING:WU01:FS01:Failed to get assignment from '18.218.241.186:80': No WUs available for this configuration
15:48:10:ERROR:WU01:FS01:Exception: Could not get an assignment
15:52:23:WU00:FS00:Connecting to 65.254.110.245:8080
15:52:23:WU01:FS01:Connecting to 65.254.110.245:8080
15:52:23:WARNING:WU00:FS00:Failed to get assignment from '65.254.110.245:8080': No WUs available for this configuration
15:52:23:WU00:FS00:Connecting to 18.218.241.186:80"


Can someone tell me what am I doing wrong? some years ago it worked but now not.