java.lang.NumberFormatException: For input string: "null" Unable to view Java based instructions in WebCT CE 6.0.
 
 
HelpInfo
Unable to view Java based instructions in WebCT CE 6.0.
Cause of Problem

The problem occurs if the Java option is disabled in Internet Explorer.
Solution Summary

Open Internet Explorer. From the 'Tools' menu, click 'Internet Options'. Click the 'Advanced' tab. Scroll down to 'Microsoft VM'. Select the 'JIT Compiler for virtual machine' check box. Click 'OK'.
Solution Details

Some instructions in WebCT are sent in Java. At times, you are unable to view Java-based instructions in Internet Explorer because it is incorrectly configured.
To resolve the problem:
1) Open Internet Explorer.
2) From the 'Tools' menu, click 'Internet Options'. ('Internet Options' dialog box appears.)
  'Internet Options' dialog box
3) Click the 'Advanced' tab.
4) Scroll down to 'Microsoft VM'.
5) Select the 'JIT Compiler for virtual machine' check box.
6) Click 'OK'.
Applies to Software Version

WebCT 6.0