There are some websites that I can't access, such as Facebook or Youtube.
the moment I hit enter I get the following:
Your connection is not private
Attackers might be trying to steal your information from www.youtube.com (for example, passwords, messages, or credit cards). Learn more
NET::ERR_CERT_AUTHORITY_INVALID
using another SSID, not via the Meraki AP, I have no problems at all.