Open the map at:
Click “Gather” in the top right corner to open the modal form.
Click “Next” on the bottom right of the form.
Click “Clear all fields” at the top right of the form.
(This button is white with white text until you mouseover it which should also be fixed.)
All content except the navbar disappears and the following error is generated in the console:
TypeError: Cannot read property 'some' of undefined