crash running ios unity project

Vuforia SDK Version: 6.2.6 - Description with steps to reproduce: Hi I have a crash when run app on ios device (ipad). My minimum project: - New unity projet - import vuforia 6.2.6 unity package (and let unity done corrections) - new scene - add ARCamera in, scene, set licence string in camera configuration - Build for ios - Open xcode project, build & run (ipad usb connected) --> app start and crash on this call (see on xcode): VuforiaManagerImpl_UpdateTrackers_m3984824715(__this, L_40, /*hidden argument*/NULL); EXC_BAD_ACCES ipad 4 ios: 8.4.1 Unity: 5.5.0p4 xcode: 6.4 osx: Yosemite 10.10.2 vuforia unity package: 6.2.6 What happen ? Regards Laurent - Development OS (Mac OS X, Windows, Linux): OSX Yosemite 10.10.2 - Mobile OS and Version: ios 8.4.1 - Mobile Device Manufacturer and Model name: ipad 4 (maybe) - Do the Vuforia Sample Applications show the same behavior?: