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Hey everyone, If you saw my latest live stream recently Ive made the project files avalible for all Mega Thank You Members of the Youtube And Patreon avalible to download so if your a member make sure to head over there and check them out. 

If your not a member Ive made the project files avalible to purchase through my Patreon store with an early bird Discount for the first 20 people to grab it with the link bellow.  

https://www.patreon.com/GameDevXR/pos...

Well, my week has gone down hill. I went to turn my PC on after working on the GDXR template, Wednesday evening and it wouldn't boot. Showing a CPU error on the mother board and no sign of life. So I've had to book it into a local computer store. The guys over there are gonna go through the whole thing and see what's happening but it's gonna take around 5 working days till I'm back up and running. 

For those waiting on the new GDXR UVRT update I'm going to upload the most recent version I have backed up to the epic store around 12PM today. 

Hopefully I'll be back up and running soon. 

For those with booked tutoring sessions, I'll still be able to do those through my laptop instead. 

See you all soon.

Panic Over. We seem to have found the fix for building Android APK projects with 5.6.1
If you update to 5.6.1 you will need to do the following steps to get the android package to build again.

Close your project and delete the following files
- Delete Intermediate folder
- Delete Saved. 
- Delete Derived 
- Data Cache 
- Delete Binaries 
- Delete Build 

Keep the project closed and got to your main hard drive mine is :C Drive.

C Drive > Program Files > Epic Games > UE5.6 > Engine > Extras > Android > Run SetupAndroid.bat wait for it to unzip and complete then press enter. 

Re launch your project and it should work. Video tut included. 

https://dev.epicgames.com/community/l... the best, Jonathan

Unreal Engine 5.6.1 can no longer build to Android, Dont update yet if your working on Mobile APK projects. 

Hey everyone, just wanted to let you know, do not update to unreal engine 5.6.1 just yet. It looks like android studio is completly broken. I had no problem doing android builds in 5.6 yesterday but this morning after updating its completely broke. Im currently trying to figure out if its just on my end or if others in the discord who have already updated are having the same issue.



This is the error log for anyone interested.



pic_Science-Android-Shipping-arm64.so.rsp"

UATHelper: Packaging (Android (ASTC)): Writing manifest to D:\Work\ClientContent\WarrenFern\EDU_Epic_Science_Latest\EDU_Epic_Science_5.5\Intermediate\Build\Manifest.xml

UATHelper: Packaging (Android (ASTC)): Building EDU_Epic_Science...

UATHelper: Packaging (Android (ASTC)): [Adaptive Build] Excluded from EDU_Epic_Science unity file: EDU_Epic_Science.cpp

UATHelper: Packaging (Android (ASTC)): Determining max actions to execute in parallel (16 physical cores, 32 logical cores)

UATHelper: Packaging (Android (ASTC)): Executing up to 16 processes, one per physical core

UATHelper: Packaging (Android (ASTC)): Using Unreal Build Accelerator local executor to run 2 action(s)

UATHelper: Packaging (Android (ASTC)): Storage capacity 40Gb

UATHelper: Packaging (Android (ASTC)): ---- Starting trace: 250813_083232 ----

UATHelper: Packaging (Android (ASTC)): UbaSessionServer - Disable remote execution (remote sessions will finish current processes)

UATHelper: Packaging (Android (ASTC)): ------ Building 2 action(s) started ------

UATHelper: Packaging (Android (ASTC)): [1/2] clang++ EDU_Epic_Science-Android-Shipping-arm64.so

UATHelper: Packaging (Android (ASTC)): ld.lld: error: undefined symbol: std::__ndk1::__libcpp_verbose_abort(char const*, ...)

UATHelper: Packaging (Android (ASTC)): >>> referenced by Module.SlateCore.2.cpp

UATHelper: Packaging (Android (ASTC)): >>> C:/Program Files/Epic Games/UE_5.6/Engine/Intermediate/Build/Android/a/UnrealGame/Shipping/SlateCore/Module.SlateCore.2.cpp.o:(std::__ndk1::__throw_length_error[abi:nn180000](char const*))

UATHelper: Packaging (Android (ASTC)): >>> referenced by Module.SlateCore.2.cpp

UATHelper: Packaging (Android (ASTC)): >>> C:/Program Files/Epic Games/UE_5.6/Engine/Intermediate/Build/Android/a/UnrealGame/Shipping/SlateCore/Module.SlateCore.2.cpp.o:(std::__throw_bad_array_new_length[abi:nn180000]())

UATHelper: Packaging (Android (ASTC)): >>> referenced by Module.ArmlibGPUInfo.cpp

UATHelper: Packaging (Android (ASTC)): >>> C:/Program Files/Epic Games/UE_5.6/Engine/Intermediate/Build/Android/a/UnrealGame/Shipping/ArmlibGPUInfo/Module.ArmlibGPUInfo.cpp.o:(std::__ndk1::__throw_bad_function_call[abi:nn180000]())

UATHelper: Packaging (Android (ASTC)): >>> referenced 2 more times

UATHelper: Packaging (Android (ASTC)): ld.lld: error: undefined symbol: vtable for std::__ndk1::basic_ostringstream, std::__ndk1::allocator >

UATHelper: Packaging (Android (ASTC)): >>> referenced by Module.PlanarCut.cpp

UATHelper: Packaging (Android (ASTC)): >>> C:/Program Files/Epic Games/UE_5.6/Engine/Plugins/Experimental/PlanarCutPlugin/Intermediate/Build/Android/a/UnrealGame/Shipping/PlanarCut/Module.PlanarCut.cpp.o:(Eigen::SparseLU, Eigen::COLAMDOrdering >::factorize(Eigen::SparseMatrix const&))

UATHelper: Packaging (Android (ASTC)): >>> referenced by Module.PlanarCut.cpp

UATHelper: Packaging (Android (ASTC)): >>> C:/Program Files/Epic Games/UE_5.6/Engine/Plugins/Experimental/PlanarCutPlugin/Intermediate/Build/Android/a/UnrealGame/Shipping/PlanarCut/Module.PlanarCut.cpp.o:(Eigen::SparseLU, Eigen::COLAMDOrdering >::factorize(Eigen::SparseMatrix const&))

UATHelper: Packaging (Android (ASTC)): >>> referenced by ambisonic_binaural_decoder.cc

UATHelper: Packaging (Android (ASTC)): >>> C:/Program Files/Epic Games/UE_5.6/Engine/Plugins/Runtime/ResonanceAudio/Intermediate/Build/Android/a/UnrealGame/Shipping/ResonanceAudio/ambisonic_binaural_decoder.cc.o:(vraudio::AmbisonicBinauralDecoder::AmbisonicBinauralDecoder(vraudio::AudioBuffer const&, unsigned long, vraudio::FftManager*))

UATHelper: Packaging (Android (ASTC)): >>> referenced 33 more times

UATHelper: Packaging (Android (ASTC)): >>> the vtable symbol may be undefined because the class is missing its key function (see https://lld.llvm.org/missingkeyfunction)

UATHelper: Packaging (Android (ASTC)): ld.lld: error: undefined symbol: vtable for std::__ndk1::basic_stringbuf, std::__ndk1::allocator >

UATHelper: Packaging (Android (ASTC)): >>> referenced by Module.PlanarCut.cpp

UATHelper: Packaging (Android (ASTC)): >>> C:/Program Files/Epic Games/UE_5.6/Engine/Plugins/Experimental/PlanarCutPlugin/Intermediate/Build/Android/a/UnrealGame/Shipping/PlanarCut/Module.PlanarCut.cpp.o:(Eigen::SparseLU, Eigen::COLAMDOrdering >::factorize(Eigen::SparseMatrix const&))

UATHelper: Packaging (Android (ASTC)): >>> referenced by Module.PlanarCut.cpp

UATHelper: Packaging (Android (ASTC)): >>> C:/Program Files/Epic Games/UE_5.6/Engine/Plugins/Experimental/PlanarCutPlugin/Intermediate/Build/Android/a/UnrealGame/Shipping/PlanarCut/Module.PlanarCut.cpp.o:(Eigen::SparseLU, Eigen::COLAMDOrdering >::factorize(Eigen::SparseMatrix const&))

UATHelper: Packaging (Android (ASTC)): >>> referenced by ambisonic_binaural_decoder.cc

UATHelper: Packaging (Android (ASTC)): >>> C:/Program Files/Epic Games/UE_5.6/Engine/Plugins/Runtime/ResonanceAudio/Intermediate/Build/Android/a/UnrealGame/Shipping/ResonanceAudio/ambisonic_binaural_decoder.cc.o:(vraudio::AmbisonicBinauralDecoder::AmbisonicBinauralDecoder(vraudio::AudioBuffer const&, unsigned long, vraudio::FftManager*))

UATHelper: Packaging (Android (ASTC)): >>> referenced 31 more times

UATHelper: Packaging (Android (ASTC)): >>> the vtable symbol may be undefined because the class is missing its key function (see https://lld.llvm.org/missingkeyfunction)

PackagingResults: Error: undefined symbol: std::__ndk1::__libcpp_verbose_abort(char const*, ...)

PackagingResults: Error: undefined symbol: vtable for std::__ndk1::basic_ostringstream, std::__ndk1::allocator >

PackagingResults: Error: undefined symbol: vtable for std::__ndk1::basic_stringbuf, std::__ndk1::allocator >

UATHelper: Packaging (Android (ASTC)): ld.lld: error: undefined symbol: VTT for std::__ndk1::basic_ostringstream, std::__ndk1::allocator >

UATHelper: Packaging (Android (ASTC)): >>> referenced by Module.PlanarCut.cpp

UATHelper: Packaging (Android (ASTC)): >>> C:/Program Files/Epic Games/UE_5.6/Engine/Plugins/Experimental/PlanarCutPlugin/Intermediate/Build/Android/a/UnrealGame/Shipping/PlanarCut/Module.PlanarCut.cpp.o:(Eigen::SparseLU, Eigen::COLAMDOrdering >::factorize(Eigen::SparseMatrix const&))

UATHelper: Packaging (Android (ASTC)): >>> referenced by Module.PlanarCut.cpp

UATHelper: Packaging (Android (ASTC)): >>> C:/Program Files/Epic Games/UE_5.6/Engine/Plugins/Experimental/PlanarCutPlugin/Intermediate/Build/Android/a/UnrealGame/Shipping/PlanarCut/Module.PlanarCut.cpp.o:(Eigen::SparseLU, Eigen::COLAMDOrdering >::factorize(Eigen::SparseMatrix const&))

UATHelper: Packaging (Android (ASTC)): >>> referenced by ambisonic_binaural_decoder.cc

UATHelper: Packaging (Android (ASTC)): >>> C:/Program Files/Epic Games/UE_5.6/Engine/Plugins/Runtime/ResonanceAudio/Intermediate/Build/Android/a/UnrealGame/Shipping/ResonanceAudio/ambisonic_binaural_decoder.cc.o:(FatalLogger::~FatalLogger())

PackagingResults: Error: undefined symbol: VTT for std::__ndk1::basic_ostringstream, std::__ndk1::allocator >

UATHelper: Packaging (Android (ASTC)): >>> referenced 1 more times

UATHelper: Packaging (Android (ASTC)): clang++: error: linker command failed with exit code 1 (use -v to see invocation)

UATHelper: Packaging (Android (ASTC)): Trace written to file C:/Users/GDXRWork/AppData/Roaming/Unreal Engine/AutomationTool/Logs/C+Program+Files+Epic+Games+UE_5.6/UBA-EDU_Epic_Science-Android-Shipping.uba with size 7.3kb

PackagingResults: Error: linker command failed with exit code 1 (use -v to see invocation)

UATHelper: Packaging (Android (ASTC)): Total time in Unreal Build Accelerator local executor: 2.98 seconds

UATHelper: Packaging (Android (ASTC)): Result: Failed (OtherCompilationError)

UATHelper: Packaging (Android (ASTC)): Total execution time: 4.50 seconds

UATHelper: Packaging (Android (ASTC)): Took 4.56s to run dotnet.exe, ExitCode=6

UATHelper: Packaging (Android (ASTC)): UnrealBuildTool failed. See log for more details. (C:\Users\GDXRWork\AppData\Roaming\Unreal Engine\AutomationTool\Logs\C+Program+Files+Epic+Games+UE_5.6\UBA-EDU_Epic_Science-Android-Shipping.txt)

UATHelper: Packaging (Android (ASTC)): AutomationTool executed for 0h 0m 5s

UATHelper: Packaging (Android (ASTC)): AutomationTool exiting with ExitCode=6 (6)

UATHelper: Packaging (Android (ASTC)): BUILD FAILED

PackagingResults: Error: Unknown Error

Hey everyone, I hope you’re all having a great start to your week. I just wanted to let you all know that there wont be a video upload today due to my Internet Router having a hardware issue over the weekend. 

I’ve spent the last two days trying to fix it with no luck and the earliest a technician from our provider can come out is on Thursday. 

I have tried hotspotting from my phone to my PC but it’s not happy with me uploading videos to YouTube. It just keeps failing. 

The plan though is to try and get them uploaded for you all tomorrow, I’m going to go to a shared co working space which should have a WiFi connection and good enough internet to upload. 

Hope you all have a great day.

- Jonathan

Hey everyone, Part 4 of the MetaXR Series is up for Patreon and Youtube members to check out. I show how to setup hand grabbing with Hand tracking alongside motion controller grabbing. You can download the files through the Members only posts.

Currently attending TechNExt at Proto  in Gateshead. Just finished the first talk on using XR for use in healthcare. Some interesting stuff being shown off. 

Interested in seeing what's discussed next. 

If you're around, come say hello. 

#VR #immersivetech #healthcare #virtualreality #XR #MR #Gateshead