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Right now I have macOS Mojave 10.14.6 Beta on a external hard drive. I'm trying to get macOS 10.15 beta (Catalina) installed so I can check out Xcode and get fimilar with the new features! When I try to install 10.15 it does it's thing up to the point where it has to restart and then tells me there was an issue with the install and that I could try it again. I've tried everything from closing all apps to install, not messing with it so it can install, to booting it in safe mode to install it, and nothing seems to work. I've been trying since Wednesday (June 5th) and it hasn't worked at all. Can anybody tell me what, if anything, I'm doing worng? Any help would be appreciated!