I am not able to add service provider

goto

http://192.206.5.200/~development/Virtuous_medical_tourism/wp-admin/admin.php?page=app_settings&tab=workers

and try to add service provider its giving "* You must select at least one service, otherwise provider will not be saved!" this error. Even i select service but still getting error. Please help asap.

Also I need one more information. we have multiple service provider in site. Can we set separate google calendar for them?