Undefine method on ruby on rails on Fedena Project

Asking on fedena issue
mishu - Thu, 2013/06/13 - 13:45.

Brother,

           i have install fedena on ubuntu 11.04.it work fine.But from student profile,when i try to get dicussion i am getting this error:
NoMethodError in GroupsController#index

undefined method `member_groups' for #<User:0x7feb42b4d950>

RAILS_ROOT: /home/...
Application Trace | Framework Trace | Full Trace



Request

Parameters:

None

Show session dump
Response

Headers:

{"Content-Type"=>"",
 "Cache-Control"=>"no-cache"}

ISSUE -2:when i try to get online exam i am getting this error:
NoMethodError in Online student examController#index

undefined method `available_online_exams' for #<ActiveRecord::Associations::HasOneAssociation:0x7feb421807d8>

RAILS_ROOT: /home/..
Application Trace | Framework Trace | Full Trace



Request

Parameters:

None

Show session dump
Response

Headers:

{"Content-Type"=>"",
 "Cache-Control"=>"no-cache"}

And like this types of problem about-placement,poll and task.i will be glad if u help to solve this.Thanks.