"The SDK for Mac is not installed properly"

Struggling with this error when I go to package my project.

I’m currently using UE 5.5.4 with XCode 15.4 on an Apple M1 2020 running OSX Sonoma 14.12.1

I’ve seen a few similar topics here but they’re all for other platforms or engine versions, so the answers unfortunately aren’t applicable. I can’t install earlier SDKs because they require older operating systems. I could potentially update to a newer OSX but I don’t know that it would help. I have tried reinstalling XCode.

Can anyone help diagnose the issue or recommend a solution?

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Hey there @AbelGray !

I know you mentioned that you saw similar topics for other platforms, but I just want to make sure that you’re not having a similar issue like this one:

In case that’s not it either, we can look at some things:

1 - What happens when you click on “Continue“? Does it give you an error? Which error is it?
2 - If it just say to look at the log file, please open the file in the path the error mentions and share the results (or at least the error contained inside the file. I will most likely be near the bottom of the file).

In my case (Windows), a lot of plugins had “Vulnerabilities“ and even though they were Warnings, they were treated as error and the Automation Tool would not do a successful assessment of the project. So in the end, the SDK was fine, but the warnings were messing things up.

P.S.: Just to make sure we didn’t missed any steps in the setup, I’ll leave this link here as well

Let me know if you were able to solve this issue.

Regards!

Found the issue, upon checking the startup logs I discovered that Unreal was looking in the wrong “Library” folder. After deleting the false Library, it finds the correct one.

I want to revive this forum post because across 2 different Mac Studios and numerous different Xcode Scheme configurations, macOS versions, etc. I’ve never been able to properly build a macOS app in UE5 even using a blank template, and even after downgrading macOS versions i’ve never had success packaging even the simplest UE5 project.

Screenshot 2025-12-14 at 9.51.37 PM

I’ve confirmed that the xcode version matches what Unreal wants (26.2) and also confirmed that the corresponding Metal Toolchain (26.2 (17C48)) is installed.

Unreal generates an xcode workspace for us and then says that it’s not configured for building, but when I go to that xcode project and view the schemes (Product → Scheme → Edit Schemes) all looks to be in order.

These issues don’t appear on Windows so if you’re not on a mac please don’t bother responding.

my log is attached, but all it seems to really say is “Unknown Error”

vx_game_v4.log (238.5 KB)

any help would be appreciated.

go to (EngineInstallFolder)/Engine/Config/Apple/Apple_SDK.json ,

fix version number :

"AppleVersionToLLVMVersions": [
			"14.0.0-14.0.0",
			"14.0.3-15.0.0",
			"15.0.0-16.0.0",
			"16.0.0-17.0.6",
			"16.3.0-19.1.4",
			"26.2.0-19.1.5"
		]
1 Like

Thank you very much, this was it.

for anyone else who might also be experiencing this, I had to change these lines in addition to adding that array item:

“MainVersion”: “26.2”,
“MinVersion”: “15.2.0”,
“MaxVersion”: “26.2.0”,

Appreciate your timely and helpful response :slight_smile: