Hi,

I had a running project where I just did some graphical changes and suddenly I can't get the app to run again:

2011-09-03 18:39:18.541 arcklasse[82:707] -> registered mono modules 0x8275f0
-> applicationDidFinishLaunching()
QCAR Extension version 1.0.3
2011-09-03 18:39:18.615 arcklasse[82:707] INFO: QCAR SDK version 1.0.3

2011-09-03 18:39:18.717 arcklasse[82:707] ERROR: Error - cannot download device start-up settings. Failed to initialize the QCAR SDK. Device settings must be downloaded at least once for the SDK to work.

2011-09-03 18:39:19.159 arcklasse[82:707] INFO: Tracker starts loading

Renderer: PowerVR SGX 543
Vendor:   Imagination Technologies
Version:  OpenGL ES 2.0 IMGSGX543-58.6
GL_OES_depth_texture GL_OES_depth24 GL_OES_fbo_render_mipmap GL_OES_mapbuffer GL_OES_packed_depth_stencil GL_OES_rgb8_rgba8 GL_OES_standard_derivatives GL_OES_texture_float GL_OES_texture_half_float GL_OES_vertex_array_object GL_EXT_blend_minmax GL_EXT_discard_framebuffer GL_EXT_read_format_bgra GL_EXT_shader_texture_lod GL_EXT_texture_filter_anisotropic GL_APPLE_framebuffer_multisample GL_APPLE_rgb_422 GL_APPLE_texture_format_BGRA8888 GL_APPLE_texture_max_level GL_IMG_read_format GL_IMG_texture_compression_pvrtc 
Creating OpenGLES2.0 graphics device
Non platform assembly: data-0x6ab5000 (this message is harmless)
Non platform assembly: data-0x6aa5000 (this message is harmless)
Non platform assembly: /private/var/mobile/Applications/14A4481A-188E-4CE2-94AF-CF5DC85081BF/arcklasse.app/Data/Managed/System.dll (this message is harmless)
Setting Unity version 3.4.0
StartQCAR
 
(Filename: /Applications/buildAgent/work/842f9557127e852/Runtime/ExportGenerated/iPhonePlayer-armv7/UnityEngineDebug.cpp Line: 34)

Error: Failed to initialize QCAR.
 
(Filename: /Applications/buildAgent/work/842f9557127e852/Runtime/ExportGenerated/iPhonePlayer-armv7/UnityEngineDebug.cpp Line: 34)

Error: Trackable named final does not exist.
 
(Filename: /Applications/buildAgent/work/842f9557127e852/Runtime/ExportGenerated/iPhonePlayer-armv7/UnityEngineDebug.cpp Line: 34)

Absolute number of trackables: 0
 
(Filename: /Applications/buildAgent/work/842f9557127e852/Runtime/ExportGenerated/iPhonePlayer-armv7/UnityEngineDebug.cpp Line: 34)

stopTracker
cameraDeviceStopCamera
2011-09-03 18:39:20.240 arcklasse[82:707] CameraImpl: stopCapturing already called, capture session already stopped?
cameraDeviceDeinitCamera
OnDestroy
 
(Filename: /Applications/buildAgent/work/842f9557127e852/Runtime/ExportGenerated/iPhonePlayer-armv7/UnityEngineDebug.cpp Line: 34)

StopQCAR
 
(Filename: /Applications/buildAgent/work/842f9557127e852/Runtime/ExportGenerated/iPhonePlayer-armv7/UnityEngineDebug.cpp Line: 34)

stopTracker
cameraDeviceStopCamera
2011-09-03 18:39:20.245 arcklasse[82:707] CameraImpl: stopCapturing already called, capture session already stopped?
cameraDeviceDeinitCamera
Program ended with exit code: 0

I've restarted the Mac, iPad and created a new project and install qcar again. but I can't compile any QCAR project; even an empty scene (just a arcamera and an imagetarget) won't run.

Any hints?