hcaptcha configuration errors

I'm running the latest version - 2.3.6 and for the last month, I've been receiving numerous hCaptcha connection errors across all of my forums. I thought this was fixed with the 2.3.6 version, but it's still continuing. I've had my hosting provider look into it and they had the following...

Hello, We are suddenly getting hCaptcha configuration errors: sitekey-secret-mismatch. Since Andy's "Block IP" add-on is mentioned in the string and it only happens on some failed attempts to register (using a VPN or proxy etc.) I thought maybe it was causing the errors but Andy has assured me...