Description: When attempting to package project for the HoloLens, I am greeted with an error claiming that the packager was unable to generate a PRI (package resource index) and that the Appx manifest could not be found or is invalid. This issue happens when attempting to package the Microsoft/Unreal chess tutorial as well as creating a new project from scratch. This issue has been observed on 3 computers, while a 4th computer was somehow able to successfully complete a build. When taking the .PRI files from the PC that is successfully able to package and adding them into the Binaries/HoloLens directory of my project (as well as the chess tutorial project) I am suddenly able to build and package without any issues. The problem is that this is not a sustainable method of packaging and I am unsure of what is the root cause of this issue.
Steps to reproduce:
Results: UATHelper: Packaging (HoloLens): ERROR: ERROR: PRI191: 0x8007007e - Appx manifest not found or is invalid. Please ensure well-formed manifest file is present. Or specify an index name with /in switch. PackagingResults: Error: ERROR: PRI191: 0x8007007e - Appx manifest not found or is invalid. Please ensure well-formed manifest file is present. Or specify an index name with /in switch. UATHelper: Packaging (HoloLens): ERROR: Failed to generate Package Resource Index file. See log for details. PackagingResults: Error: Failed to generate Package Resource Index file. See log for details.
Expected: Successful Build and packaging for application on the windows UWP/WinRT platform.
Affects: Unreal Version: 4.26.x, 4.25.x Windows SDK: 10.0.18362.0, 10.0.9041.0 (possibly other versions as well)
Platforms: Microsoft HoloLens 2
The systems that are failing: 1 Dell Dev Machine with no security/admin/network restrictions Windows 10 Pro OS Build: 19042.746 CPU: Intel i9 Windows Kit SDK: 10.0.18362.0
2 Dell Laptops (Corporate devices that have security restrictions, but nothing that should impact development) Windows 10 Enterprise OS Build: 17763.1697 (1809) CPU: Intel i7 9th Gen Windows Kit SDK: 10.0.18362.0
The System that's succeeding: Dev Machine with no security/admin/network restrictions Windows 10 Pro OS Build: 18363.1316 CPU: AMD FX-8350 Windows Kit SDK: 10.0.18362.0
The main differences:
Causes Crash: No
Though taking the resource pri files from the working PC and mounting them in the same directory in our non-working projects does fix the solution, there is a concern that our project may change in a way that conflicts with the current pri files and would cause our builds to fail again. Their is also a growing concern that we may not be able to use an automated build system like Jenkins if our project can't properly package in its current state across any machine.
This issue is caused by the makepri.exe that is found in the windows 10 SDK, when attempting to manually run the makepri.exe tool, I am provided with the following error: "ERROR: PRI260: 0xdef00106 - PRI file is invalid."
I am unsure if my issues are steming from Unreal or the Microsoft SDK, but makepri.exe does not seem to be working on any of my machines.
"C:\Program Files (x86)\Windows Kits\10\bin\10.0.18362.0\x64\MakePri.exe" createconfig /cf "\Binaries\HoloLens\priconfig.xml" /dq en-US /pv 10.0.0 /o "C:\Program Files (x86)\Windows Kits\10\bin\10.0.18362.0\x64\MakePri.exe" new /pr "" /cf "\Binaries\HoloLens\priconfig.xml" /mn "\Binaries\HoloLens\AppxManifest_x64.xml" /of "\Binaries\HoloLens\resources_x64.pri" /o
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