Hey @finco1, welcome to the Nextcloud community and thanks for supporting Nextcloud snap 
Sorry to hear you are having issues with your Nextcloud snap installation. If you’ve come this far, you’re on the right track! There is a good chance someone in the community has had a similar issue and knows how to resolve it. That depends on how you request assistance. So read your request for tone, avoiding hyperbole and assuming good intentions.
In order to help you we’ll need some Information to get an Idea of your setup, so complete the required support template if you haven’t done so already or run the debugging script and post the result here.
Below are some links to how-to’s answering frequently asked questions and may help you help yourself;
- How to install Nextcloud snap
- How to configure Nextcloud snap
- How to edit config.php for Nextcloud snap
- How to use OCC management console for Nextcloud snap
- How to revert Nextcloud snap after failed update
- How to manage failed automatic update in Nextcloud snap
- Nextcloud snap wiki and support
pay special attention to this
decide whether Nextcloud snap manages Lets Encrypt or if your reverse proxy will do that for you. recommend you let the reverse roxy handle encrytpion as pass through proxying is not easy. see reverse proxy configuration
this is probably not a cookbook issue but a general encryption issue
but without your logs we’re just guessing so consider running the debugging script and posting the results here