How to read crash logs from Apple store?

Hi All

One of my LibGDX games is crashing on the apple store. Is there a step by step instruction somewhere on how to get the symbolicated logs? When I open the crash in Xcode Organiser I can only see things like the below which don’t mean much to me as a java programmer:

#1 (null) in art::thread::Attach(char const*, bool, _jobject*, bool) ()
#2 (null) in art::Runtime::AttachCurrentThread(char const*, bool, _jobject*, bool) ()
#3 (null) in art::JII::AttachCurrentThreadInternal(_JavaVM*, _JNIEnv**, void*, bool) ()
#4 (null) in nativeToJavaBlockHandler(ffi_cif*, void*, void**, void*) ()