Subforum structure problem in forum creation

While creating subforums in forum its showing correctly for the first forum.but from second forum if we create sub forum for these then it will be listing like a normal forum.whats the actual problem with it ? here is the setup i used for forum here is the forum listing with subforums
James Aparicio

Hi vantony,

Hi vantony, When you created a subforum, have you given it the same group reference as the parent forum? Best regards