Unreal 4.27 plus not working with Xcode 16.4

Hi Stéphane,

Apologies for taking this long to get back to you. I was blocked from updating our Mac the last couple of weeks.

I updated MacOS from 15.6.1 to 26.1 and Xcode from 26.0.1 to 26.1.1.

I also copied CL 47912951 into my project. However, when I attempt to build, during the packaging stage, I get the following error:

15:30:24       Opening source executable...
15:30:24       ... Processing one mach object (binary is thin)
15:30:25       ... Initial signature step (7,54 s elapsed so far)
15:30:25       ... Computing hashes (7,57 s elapsed so far)
15:30:25       ... Final signature step (7,64 s elapsed so far)
15:30:25       IPP ERROR: Application exception: System.IO.InvalidDataException: CMS signature blob size is too large for the allocated size, unable to create useful code signing data
15:30:25          at iPhonePackager.CodeSignatureBuilder.PerformSigning() in E:\Dev\P4ZM\UE4\Engine\Source\Programs\IOS\iPhonePackager\CodeSigning.cs:line 1007
15:30:25          at iPhonePackager.CookTime.RepackageIPAFromStub() in E:\Dev\P4ZM\UE4\Engine\Source\Programs\IOS\iPhonePackager\CookTime.cs:line 354
15:30:25          at iPhonePackager.Program.Main(String[] args) in E:\Dev\P4ZM\UE4\Engine\Source\Programs\IOS\iPhonePackager\iPhonePackager.cs:line 969

How would I go about fixing this error?

Kind regards,

Jimmy Koene