I keep getting stuck at "Tap to choose your location stamp". I tap, it stamps, then nothing. Can't tap again to add a new stamp, and I don't get the prompt to s

I keep getting stuck at "Tap to choose your location stamp". I tap, it stamps, then nothing. Can't tap again to add a new stamp, and I don't get the prompt to start folding. Chrome Dev on a Nexus 5X running stock android N.