Maybe it is also worth mentioning that I get a lot of weird paths during packaging, like this:
UATHelper: Cooking (Android (ASTC)): LogInit: Display: Warning/Error Summary (Unique only)
UATHelper: Cooking (Android (ASTC)): LogInit: Display: -----------------------------------
UATHelper: Cooking (Android (ASTC)): LogInit: Display: LogConfig: Warning: GConfig::Find attempting to access config with non-normalized path ../../../../../../BranikVR/Config/DefaultEngine.ini. Please use FConfigCacheIni::NormalizeConfigIniPath before accessing INI files through ConfigCache.
UATHelper: Cooking (Android (ASTC)): LogInit: Display: LogOnline: Warning: Pico: Pico SDK failed to initialize
UATHelper: Cooking (Android (ASTC)): LogInit: Display: LogPackageUtilities: Warning: Engine.ini:[Core.System]:Paths entry '../../../Engine/Plugins/Runtime/OpenXRHandTracking/Content' is not mounted. Skipping it.
UATHelper: Cooking (Android (ASTC)): LogInit: Display: LogPackageUtilities: Warning: Engine.ini:[Core.System]:Paths entry '../../../Engine/Plugins/Runtime/OpenXR/Content' is not mounted. Skipping it.
UATHelper: Cooking (Android (ASTC)): LogInit: Display: LogPackageUtilities: Warning: Engine.ini:[Core.System]:Paths entry '../../../Engine/Plugins/Runtime/OpenXREyeTracker/Content' is not mounted. Skipping it.
UATHelper: Cooking (Android (ASTC)): LogInit: Display: LogPackageUtilities: Warning: Engine.ini:[Core.System]:Paths entry '../../../Engine/Plugins/Developer/Concert/ConcertSync/ConcertSyncClient/Content' is not mounted. Skipping it.
UATHelper: Cooking (Android (ASTC)): LogInit: Display: LogPackageUtilities: Warning: Engine.ini:[Core.System]:Paths entry '../../../../../../BranikVR/Plugins/PICOEnterprise/Content' is not mounted. Skipping it.
UATHelper: Cooking (Android (ASTC)): LogInit: Display: LogLinker: Warning: [AssetLog] C:\BranikVR\Plugins\PICOXR\Content\DevTools\TileVisualizer\Source\MF_Value2Color.uasset: Asset has been saved with empty engine version. The asset will be loaded but may be incompatible.
UATHelper: Cooking (Android (ASTC)): LogInit: Display: LogDerivedDataCache: Warning: C:/Users/luthi/AppData/Local/UnrealEngine/Common/DerivedDataCache: Loading C:/Users/luthi/AppData/Local/UnrealEngine/Common/DerivedDataCache/Buckets/LegacyTEXTURE/98/41/b9ecbe081078e3add48e8372340b95700532.udd from '/PICOXR/Textures/G2Texture/G2_VolumeUp.G2_VolumeUp' is very slow (0.01 MiB/s); consider disabling this cache store.
That may be because I moved my projects to the drive root at some point to avoid the “path too long” errors"