Editing tasks giving 500 error

[mkysoft]

ActionView::Template::Error (No such process - D:\Program Files\Apache Software Foundation\apache-tomcat-9.0.0.M8\webapps\jobsworth\cache\770\5E4\views%2Ftask_form%2Ftask_records%2F2-20161130071625000000000%2F2%2Ftasks%2F25%2F16%2F7%2F30%2F11%2F2016%2F3%2F335%2Ffalse%2FUTC%2F50%2F36%2F12%2F1%2F12%2F2016%2F4%2F336%2Ffalse%2FUTC%2F57%2F17%2F7%2F30%2F11%2F2016%2F3%2F335%2Ffa):
22: <%= render(:partial => 'new_comment', locals: {show_timer: show_timer}) %>
23:
24: <% else %>
25: <% cache(['task_form', @task, current_user.id, controller.controller_name, @task.try(:updated_at), @task.project.try(:updated_at), current_user.company.try(:updated_at), @task.milestone.try(:updated_at), show_timer]) do -%>
26:

27: <%= text_area 'task', 'description', {:rows => 8, :cols => nil, :class => 'autogrow', :placeholder => t('tasks.enter_task_desc')}.merge(perms['edit']) %>
28:
app/views/tasks/_form.html.erb:25:in _app_views_tasks__form_html_erb___1593923305_8316' app/helpers/tasks_helper.rb:4:in render_task_form'
app/views/tasks/_edit_form.html.erb:4:in block in _app_views_tasks__edit_form_html_erb___2063091209_8314' app/views/tasks/_edit_form.html.erb:4:in _app_views_tasks__edit_form_html_erb___2063091209_8314'
app/views/tasks/edit.html.erb:3:in _app_views_tasks_edit_html_erb__1093898395_8312' app/controllers/tasks_controller.rb:160:in block in edit'
app/controllers/tasks_controller.rb:157:in `edit'