#AppianFitNesse I am facing problem when I am trying to login i

#AppianFitNesse

I am facing problem when I am trying to login into the Appian Server using Appian FitNesse.
I am using Internet Explorer browser to login into the Appian Server.
Please refer the attached Appian FitNesse script.

I have attached the complete error stack trace but I would like to highlight few lines from that below.

2016-07-14 14:04:35,606 [main] ERROR com.appiancorp.ps.automatedtest.exception.ExceptionBuilder - Login
org.openqa.selenium.TimeoutException: Timed out after 30 seconds waiting for presence of element located by: By.xpath: //form[@id = 'loginForm']/descendant::input[contains(@class, 'btn')]
Build info: version: '2.53.0', revision: '35ae25b1534ae328c771e0856c93e187490ca824', time: '2016-03-15 10:43:46'
System info: host: 'ID-0870', ip: '10.1.1.6', os.name: 'Windows 8.1', os.arch: 'x86', os.version: '6.3', java.version: '1.8.0_92'
Driver info: org.openqa.selenium.ie.InternetExplorerDrive...

OriginalPostID-223502

OriginalPostID-223502