This just happened about half an hour ago, I get the privacy/security error and can't log in. I tried Firefox and Edge, same result. Here is the detailed error message if it helps.
https://gnps2.org/The certificate is not trusted because it is self-signed.
HTTP Strict Transport Security: false
HTTP Public Key Pinning: false
Certificate chain:
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----