wwise project not compiling 2021.1.1.12 with UE5.1.1

Question

expexted "akspatialaudiohelper.h" to be first header included

Have error while compiling UE5.1.1 project with wwise 2021.1.12 integration

Comments

I was able to work around this by moving the #include "AkUEFeatures.h" from AkSpatialAudioHelper.cpp to AkSpatialAudioHelper.h (at line 27 before the first use of UE_5_1_OR_LATER)

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Same problem in Unreal 4.26. I get a total of three Errors when building.

PackagingResults: Error: Expected AkSpatialAudioHelper.h to be first header included.
PackagingResults: Error: DoesPackageExist: DoesPackageExist FAILED: '' is not a standard unreal filename or a long path name. Reason: Path should be no less than 4 characters long.
PackagingResults: Error: Unknown Cook Failure