Hi CLARK,
I saw the issue on your site. the issue cause by wrong setup.
1. 502 issue
Geodirectory related pages are being used as templates in Geodirectory. so they can’t be set as homepage or so.
We have already disabled the selection for those default GD pages.( check attachment )
In your site the GD location page was set as homepage.
So that causing the 502 issue.
I have just changed the homepage to sample page and everything working perfect.
I will see if i can reproduce such casee
If you want to show something specific on homepage then you can use Geodirectory shortcodes
– https://wpgeodirectory.com/docs-v2/geodirectory/shortcode-builder/
– https://wpgeodirectory.com/docs-v2/geodirectory/design-elements/#gd_locations
2. About map issue, I just done 2 dummy places entry from setup wizard and you can see map looks allright
https://gopuertoplata.com/location/
so may the listing you entered seems have some data problem.
I will also suggest to use setup wizard while doing Geodirectory setup. It helps to avoid common issues.