getting Forbidden after login with google

Hello,

Thank you for such a wonderful plugin. I’m trying the login with Google feature of the plugin, and everything works fine. However, after successfully adding Google credentials, when I click on “Continue,” I get a 403 Forbidden error with this URL: https://domain/parent/labor-law-library?state=105595389&code=4%2F0AeaYSHCZ8vH-yhaP0BfsLTufXwb7X97R1tT0JLVIEnulOzN2XNxAwhhanNoGdNmLbCL-TQ&scope=email+profile+openid+https%3A%2F%2Fwww.googleapis.com%2Fauth%2Fuserinfo.profile+https%3A%2F%2Fwww.googleapis.com%2Fauth%2Fuserinfo.email&authuser=0&prompt=consent.

I have a subdomain inside the main server. Is this the reason for getting this error?