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Mac OSX Just installed trial version and get error trying to run anything from IDE, even a fresh blank project.

I get the following error in the output when I try to run any project, even a fresh blank one:

"/Library/Frameworks/Mono.framework/Versions/Current/Commands/mono" /Users/Shared/GameMakerStudio2/Cache/runtimes/runtime-2.3.1.409/bin/Igor.exe -j=8 -options="/private/tmp/PKInstallSandbox.kjxMyS/GameMakerStudio2/GMS2TEMP/build.bff" -v -- Mac Run

FAILED: Run Program Complete
For the details of why this build failed, please review the whole log above and also see your Compile Errors window.
I followed the paths listed above, and in this on…
"/Library/Frameworks/Mono.framework/Versions/Current/Commands/mono"
…there is no folder called "Commands" in the "Current" (only) version folder.

I've never used GMS before – this is a fresh, first-time install.

Any ideas?

IDE: 2.3.1.542
Runtime: 2.3.1.409
macOS 10.14.6
 

FrostyCat

Member
You need to install the full version of Mono for Mac. See: GMS 2 Required SDKs
  • Mono 6 is required to be installed on your Mac, otherwise you won't be able to build any projects - if for any reason this fails to be installed automatically by GMS2 you can download the installer from https://download.mono-project.com/a...-MDK-6.10.0.104.macos10.xamarin.universal.pkg
  • Xcode is required to be installed separately before you can build any "Apple platform" packages - see the macOS and iOS/iPadOS/tvOS sections below for specifics.
  • In general, we would always recommend using the latest non-Beta Xcode release, as this is the version Apple want you to be using. If this is not supported on your Mac, then we will try to support you as long as we can, but Apple will eventually stop your machine from being able to build App Store apps and there is nothing we can do about this.
  • An Apple Developer account is required before you can use Xcode, and you will need Xcode to build and codesign the application as per Apple's platform requirements - and this developer account will need to be the paid version if you want to give your app to anyone else (only dev testing on your own machine is free these days). If you are a school/business, you only need one Apple account - you don't need one per student/staff member!
 
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