Hi Andrew, alright so here’s the scoop. There’s not supposed to be anything at /submit or the base community permalink. The only end points for the plugin are /community-base-slug/add and /community-base-slug/list so as a temporary fix you can just setup links to those two pages.
We’re working on revising the verbiage and setting up automatic redirects to these end points so as to reduce any confusion about where the plugin pages are.
Thanks for bringing this to our attention and contributing to a better community and plugin! Let me know if you have any questions or run into any other issues.
Cheers,
Jonah