Unknown error packaging project

Hi whenever I try to Package the project I’m working on I get what the log calls an unknown error.
this is my log


UBT-UnrealPak-Win64-Development_2.txt (77.8 KB)

I’m not quite sure what to do here and was hoping somebody could help me out.

Were there any errors or warnings leading up to this? I would check to see if your sdks are up to date

do you need the hololens and mac in your project?
if not, disable them in target platforms
are you using plugins?
there’s a setting to package engine and plugin content

It seems the error happened immediately while processing chaos plugin files. Is that correct? Also, check all red messages in your cooking log.

@_e_92 I do get these errors leading up to it.

UATHelper: Packaging (Stadia): C:\Program Files\Epic Games\UnrealEngine-4.27\Engine\Source\Runtime\VulkanRHI\Private\VulkanDevice.cpp(1082,15): error: no member named ‘vkGetPhysicalDeviceFragmentShadingRatesKHR’ in namespace ‘VulkanRHI’
UATHelper: Packaging (Stadia): VulkanRHI::vkGetPhysicalDeviceFragmentShadingRatesKHR(Gpu, &FragmentShadingRateCount, nullptr);
UATHelper: Packaging (Stadia): ~~~~~~~~~~~^
UATHelper: Packaging (Stadia): C:\Program Files\Epic Games\UnrealEngine-4.27\Engine\Source\Runtime\VulkanRHI\Private\VulkanDevice.cpp(1090,16): error: no member named ‘vkGetPhysicalDeviceFragmentShadingRatesKHR’ in namespace ‘VulkanRHI’
UATHelper: Packaging (Stadia): VulkanRHI::vkGetPhysicalDeviceFragmentShadingRatesKHR(Gpu, &FragmentShadingRateCount, FragmentShadingRates.GetData());
UATHelper: Packaging (Stadia): ~~~~~~~~~~~^
UATHelper: Packaging (Stadia): 2 errors generated.
PackagingResults: Error: no member named ‘vkGetPhysicalDeviceFragmentShadingRatesKHR’ in namespace ‘VulkanRHI’
PackagingResults: Error: no member named ‘vkGetPhysicalDeviceFragmentShadingRatesKHR’ in namespace ‘VulkanRHI’

Hi all,
Its been fixed.
turns out i had to go into
Engine\Platforms\Stadia\Source\ThirdParty\VkHeadersExternal\VkHeadersExternal.Build.cs
And check if it contains:-

PublicSystemIncludePaths.Add(SDKPath + “sysroot/usr/include/vulkan11/vulkan”);

If it does you got to replace it with this.
PublicSystemIncludePaths.Add(SDKPath + “sysroot/usr/include/vulkan”);