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Exclude the files from scan in the AV settings folks.
Seems to be working for me. Thanks @jmcburn !
Mia, I discovered that EPD does support drag-and-drop, so you can open your .yaml files that way as a work around in the meantime.
Jmcburn, thanks for making PlanetType an input instead of drop-down. Just FYI, since the last version, EPD crashes when I try to open a file from...
I have a game going that I customized the asteroids in, and now that game has invisible things in the air that are causing collision problems....
Look at the playfield_static.yaml in the +ExamplePlanet folder in the games default Playfields folder. This will tell you where to set the seed...