Problems running ARSample from dev-ar-kit

Hi guys,

Trying to run the ARSample from the dev-ar-kit branch, I get this error in Xcode and the Unreal gui hangs at 35%

Loaded TP TVOSTargetPlatform
2017-07-09 10:28:49.509940+1000 UE4Editor[20949:279797] [2017.07.09-00.28.49:509] 0]LogTargetPlatformManager:Display: Building Assets For Mac
2017-07-09 10:28:50.740662+1000 UE4Editor[20949:279797] [2017.07.09-00.28.50:740] 0]LogDerivedDataCache:Display: Max Cache Size: 512 MB
2017-07-09 10:28:50.740870+1000 UE4Editor[20949:279797] [2017.07.09-00.28.50:740] 0]LogDerivedDataCache:Display: Starting with empty Boot cache
2017-07-09 10:28:50.741048+1000 UE4Editor[20949:279797] [2017.07.09-00.28.50:741] 0]LogDerivedDataCache: FDerivedDataBackendGraph: Pak pak cache file …/…/…/Samples/ARSample/DerivedDataCache/DDC.ddp not found, will not use a pak cache.
2017-07-09 10:28:50.741268+1000 UE4Editor[20949:279797] [2017.07.09-00.28.50:741] 0]LogDerivedDataCache: Unable to find inner node Pak for hierarchical cache Hierarchy.
2017-07-09 10:28:50.741569+1000 UE4Editor[20949:279797] [2017.07.09-00.28.50:741] 0]LogDerivedDataCache: FDerivedDataBackendGraph: EnginePak pak cache file …/…/…/Engine/DerivedDataCache/DDC.ddp not found, will not use a pak cache.
2017-07-09 10:28:50.741671+1000 UE4Editor[20949:279797] [2017.07.09-00.28.50:741] 0]LogDerivedDataCache: Unable to find inner node EnginePak for hierarchical cache Hierarchy.
2017-07-09 10:28:50.744522+1000 UE4Editor[20949:279797] [2017.07.09-00.28.50:744] 0]LogDerivedDataCache: Using Local data cache path …/…/…/Engine/DerivedDataCache: Writable
2017-07-09 10:28:50.745630+1000 UE4Editor[20949:279797] [2017.07.09-00.28.50:745] 0]LogDerivedDataCache:Warning: Shared data cache path was not usable, will not use it.
2017-07-09 10:28:50.745815+1000 UE4Editor[20949:279797] [2017.07.09-00.28.50:745] 0]LogDerivedDataCache: Unable to find inner node Shared for hierarchical cache Hierarchy.