java.lang.NumberFormatException: For input string: "null" Error: Unable to login on WebCT CE 6.0.
 
 
HelpInfo
Error: Unable to login on WebCT CE 6.0.
Message

HTTP 403 Forbidden or Access Denied Error
Cause of Error

The problem occurs if Internet Explorer has incorrect settings.
Solution Summary

Open Internet Explorer. From the 'Tools' menu, click 'Internet Options'. Click the 'Advanced' tab. From the 'Browsing' section, clear the 'Show friendly HTTP error messages' check box. Click 'OK'.
Solution Details

To use WebCT you need to login to the site. Internet Explorer settings should be appropriate that they support the WebCT site. At times, while logging in to WebCT site, an error occurs and you are unable to login.
To resolve the problem:
1) Open Internet Explorer.
2) From the 'Tools' menu, click 'Internet Options'.
3) Click the 'Advanced' tab.
4) From the 'Browsing' section, clear the 'Show friendly HTTP error messages' check box.
5) Click 'OK'.
Applies to Software Version

WebCT 6.0