java.lang.NumberFormatException: For input string: "null" Students are unable to view the assessment in WebCT CE 6.0.
 
 
HelpInfo
Students are unable to view the assessment in WebCT CE 6.0.
Cause of Problem

The problem occurs if the assessment property is set to hidden.
Solution Summary

Login to WebCT. Open 'Course Content Home' page. Click 'Build'. Click 'Assessments'. Click the required assessment. Click the down arrow next to assessment name. Click 'Edit Properties'. Select 'Show Item'. Click 'Save'.
Solution Details

Designers can create quizzes, self-tests, and surveys. Quizzes assess students and grades are provided depending on the performance. Grades obtained in self-tests are not recorded in the Grade Book tool. At times, the students are unable to view the assessment:
To resolve the problem:
1) Login to WebCT.
2) Open 'Course Content Home' page.
3) Click the 'Build' tab.
4) From the 'Course Tools' menu, click 'Assessments'. (The 'Assessments' screen appears.)
  'Assessments' screen
5) Click the required assessment. For example 'Assessment 1'. (The 'Assessment 1' screen appears.)
  'Assessment 1' screen
6) Click the down arrow, next to the assessment name.
7) Click 'Edit Properties'. (The 'Edit Assessment Properties' screen appears.)
  'Edit Assessment Properties' screen
8) From the 'Item Visibility' section, select 'Show Item'.
9) Click the 'Save' button.
Applies to Software Version

WebCT 6.0