%table.student_list
  %tr
    %th
      %div.progressbar_container 
        In Progress
    %th
      %div.progressbar_container 
        &nbsp;
  - students.each do |student|
    - learner = learners.find_by_student_id(student.id)
    - report_learner = nil
    - unless learner.nil?
      - report_learner = learner.report_learner
    - student_name = student.user.last_name + ", " + student.user.first_name
    - if report_learner && report_learner.complete_percent > 0 && report_learner.complete_percent < 100
      %tr
        %td.student_name{:title=>"#{student_name}"}
          %div.progressbar_container
            = student_name
        %td.last_update_date{:title=>"#{report_learner.last_run.strftime('%m/%d/%Y')}"}
          %div.progressbar_container
            = report_learner.last_run.strftime('%m/%d')
            
%table.student_list
  %tr
    %th
      %div.progressbar_container 
        In Progress
    %th
      %div.progressbar_container 
        &nbsp;
  - students.each do |student|
    - learner = learners.find_by_student_id(student.id)
    - report_learner = nil
    - unless learner.nil?
      - report_learner = learner.report_learner
    - student_name = student.user.last_name + ", " + student.user.first_name
    - if report_learner && report_learner.complete_percent > 0 && report_learner.complete_percent < 100
      %tr
        %td.student_name{:title=>"#{student_name}"}
          %div.progressbar_container
            = student_name
        %td.last_update_date{:title=>"#{(report_learner.last_run.nil?) '' : report_learner.last_run.strftime('%m/%d/%Y')}"}
          %div.progressbar_container
            = (report_learner.last_run.nil?) '' : report_learner.last_run.strftime('%m/%d')
            
Add nil check for 'last_run' timestamp
Add nil check for 'last_run' timestamp

- Add nil check for the 'last_run' timestamp for report learners.
