You need to configure or change your promise implementation if uncaught errors fail silently. In any case, logging error gives you no information anyway. Just

You need to configure or change your promise implementation if uncaught errors fail silently. In any case, logging error gives you no information anyway. Just try running: `console.log(new Error("..."))`. So at the very least you should do `catch(function(e){console.log(e.stack);})`