Thx for your answer, but didnt work 
16085 923ddce 30-05-2017 09:02 WEB POST ERROR /displaygroup/15/action/command Unable to Process Queue of Player actions due to 1 of 1 player actions failed
16084 923ddce 30-05-2017 09:02 WEB POST ERROR /displaygroup/15/action/command Player action connection failed. E = XMR connection failed. Error = Failed to connect the ZMQ: Protocol not supported
When I created the group and added the display to that group, it also log:
16059 8774904 30-05-2017 08:06 WEB POST ERROR /displaygroup/15/display/assign Unable to Process Queue of Player actions due to 1 of 1 player actions failed
16058 8774904 30-05-2017 08:06 WEB POST ERROR /displaygroup/15/display/assign Player action connection failed. E = XMR connection failed. Error = Failed to connect the ZMQ: Protocol not supported