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Mobile provision not found

Hello,

I have a really strange problem that I discovered yesterday and need some help.
First of all, I am new to Unreal Engine and wanted to try out the FaceAR Sample. After trying and trying, I managed to deploy it on my iPhone XR with 4.23 but it seems that this example project has a lot of problems with 4.23 (looked through forums) and when launching the app it is continuously searching for my face.

What normally happens when I connect my iPhone to my iMac is that I can see my mobile provision and easily import new provision profiles and certificates → this is the case with 4.24 and 4.23.
I then wanted to try out deploying this project through 4.20 but realized I don’t see any mobile provisions for iOS as with 4.24 and 4.23. I wasn’t even able to import those because it takes about 10 seconds to then show a message saying “mobile provision not found” and thats it. Nothing else. The same happens with 4.21 and 4.22. It seems like something is missing in those earlier versions that somehow makes me unable to import or even recognize my mobile provision and I can’t figure out what it is…

I also reinstalled all versions of Unreal and it still did not help. Even on blank projects I have the same problem so it’s not because of the FaceAR sample.

On 4.23 I did not have to package the project for iOS so I thought I maybe try this out on FaceAR sample as well as on an blank project. When I do, following error appears:

PackagingResults: Error: System.NullReferenceException: Object reference not set to an instance of an object
UATHelper: Packaging (iOS): RunUAT ERROR: AutomationTool was unable to run successfully.
PackagingResults: Error: AutomationTool was unable to run successfully.
PackagingResults: Error Unknown Error

I hope anyone can help or at least tell me what could be wrong. I couldn’t find any helpful answer so far.

Thank you