>> ADD NEW SERVICES PROVIDER IN APPOINTMENTS+

As describe in the title I want to Add new services Provider in Appointments+
As you solve the previous one ">> ADD NEW SERVICES IN APPOINTMENTS+" , https://premium.wpmudev.org/forums/topic/add-new-services-in-appointments#post-1198523
Now Provider still doesn't work, Theres no Provider and no services visible in the tab page.
When I click to add one service provider, it doesn't work
Why ?
I grant access to website to make you see. Thank to solve this, its for a client
Thank you