Unable to add map to Event in Events+

Hello, a little more than a week ago, I updated events+ to version 1.8.1. This broke my membership integration, so I reverted back to version 1.8. Since then, I have been unable to add or edit a map from within Events+. When we click the globe icon to add a map, we are given the list of maps that exist just as we expect. However, if we try to add a new map, the add map window just goes blank and nothing is displayed. We are unable to add a new map. I have disabled all plugins just to make sure there is no conflict with other plugins, but that did not help. I will enable support access in case you need it to troubleshoot. You can simply go to any event and try to change the map to duplicate the issue.