random framework crash during ARWorldTrackingSession after relocalization

I receive random crashes during an ARWorldTrackingConfiguration Session with this message:

Assert: in line 508

dyld4 config: DYLD_LIBRARY_PATH=/usr/lib/system/introspection DYLD_INSERT_LIBRARIES=/Developer/usr/lib/libBacktraceRecording.dylib:/Developer/usr/lib/libMainThreadChecker.dylib:/Developer/Library/PrivateFrameworks/DTDDISupport.framework/libViewDebuggerSupport.dylib:/usr/lib/libMTLCapture.dylib

(lldb) 

What shall I do? There is no reliable way to reproduce this error. It is thrown randomly - sometimes a few seconds after the completion of the relocalization process, but sometimes not at all.