ios - xamarin forms zxing forms scanner crash -

i'm using zxing.mobile.forms package scanner app i'm building. when code runs

var scannerpage = new zxingscannerpage(); await navigation.pushasync(scannerpage);       

the error reads: got sigsegv while executing native code. indicates fatal error in mono runtime or 1 of native libraries used application.

the iphone emulator exits app home screen , theres no visible error message being displayed, output code above

things try

figuring out error

• surround method action in try catch braces

• in visual studio go tools---> options---> xamarin ---> , set xamarin diagnostics diagnostics

possible quick fix

• update xamarin form nuget package latest & greatest in pcl project , ios project

• un-installed previous build ios device & after following step above re-run