I am a newbie in zendesk plugin. I am not sure what causes the error in IE but in Firefox it works smoothly. I received this message.\[quote\] Message: Unable to get value of the property 'isEndUser': object is null or undefined Line: 23 Char: 130328 Code: 0 URI: https://assets.zendesk.com/assets/dropbox_2_1-b2517bebcf3af9e6bdea8ef0fa85f36e.js\[/quote\]What could be the problem and how to fix this? Please help. Thanks.