Same issue here; I was reading on reddit that they had a similar issue and that it was resolved by updating Mono to 5.18 and removing the `MONO_TLS_PROVIDER=legacy` line from their config.
/r/radarr - Radarr not searching for movies
I used this link to help update my geoblocksites.conf
https://technicalramblings.com/blog/blocking-countries-with-geolite2-using-the-letsencrypt-docker-container/