Problem with Import unity package

[Tim_GRS]

I ran into a similar issue with files disappearing after upgrading to OSX High Sierra.

I’d suggest checking out this thread to make sure you’re running a Unity version that supports High Sierra.

Unity and macOS 10.13 (High Sierra)

Current macOS 10.13 High Sierra support summary: macOS 10.13 High Sierra upgrade recommendation: upgrade with care For macOS 10.13 support you have to upgrade your Unity Editor to one of these versions: 5.5.5 patch 2 or later (install Visual Studio for Mac for script editing) 5.6.4 patch 3 or later 2017.1.2 patch 3 or later 2017.2.0 patch 3 or later 2017.3.0 or later These versions include multiple fixes for disappearing assets on APFS, Unity Editor and Monodevelop crashes. If you encounter…