Nginx 400 error

hi, duckdns all working, but getting a 400: Bad Request on loading

following error is in nginx addon logs, any ideas please?

s6-rc: info: service s6rc-oneshot-runner: starting
s6-rc: info: service s6rc-oneshot-runner successfully started
s6-rc: info: service fix-attrs: starting
s6-rc: info: service fix-attrs successfully started
s6-rc: info: service legacy-cont-init: starting
s6-rc: info: service legacy-cont-init successfully started
s6-rc: info: service legacy-services: starting
s6-rc: info: service legacy-services successfully started
[09:48:16] INFO: Running nginx…
2023/02/16 10:15:09 [crit] 134#134: *73 SSL_do_handshake() failed (SSL: error:141CF06C:SSL routines:tls_parse_ctos_key_share:bad key share) while SSL handshaking, client: 205.188.28.149, server: 0.0.0.0:443
2023/02/16 10:26:46 [crit] 134#134: *118 SSL_do_handshake() failed (SSL: error:141CF06C:SSL routines:tls_parse_ctos_key_share:bad key share) while SSL handshaking, client: 107.172.231.16, server: 0.0.0.0:44