I', after upgrade plugin, i start to get some jQuery conflict and problem.

On backend i can't create other quiz and when i open the quiz i have created, it open with problem.

The "certificates" menu alis give this error:

500 Unknown column 'a.title' in 'field list' Unknown column 'a.published' in 'where clause'

On front-end when i finish a quiz, it start ajax elaborating, but it doesn't terminate and i can't get the result