Android Webview：“未捕获的TypeError：无法读取null的属性'getItem'”

I am creating a simple android app which has a webview which should display a url. When I give the url as google.com or facebook.com it loads properly but when I give my url(qbo.intuit.com), it doesn't load and gives the "Uncaught TypeError: Cannot read property 'getItem' of null" error. I am pasting my code here well. I am using Compile sdk version: API 22: Android 5.1 (Lollipop), Version- Android Studio 1.4, Build Number: AI-141.2288178, Android SDK Tools: 24.4.0, jdk1.7.0_80. A similar question exists but it did not help me. Please help I am new to android. MainActivity.javaI am creating a simple android app which has a