Hi – my multisite is finally live

Hi – my multisite is finally live, and someone registered a site but i’m getting an SSL error. I did implement a wildcard SSL and it has worked in all tests but now all of a sudden its showing this error. Can you please help me diagnose and fix this error. I have granted admin support to the site. Thanks a lot.

Pls see below:

https://familyfunchildcare.com.childcare-provider.com/