I am tryin to upgrade from ojs to 3.3.08
I am receiving this message, i am trying to upgrade for the psst few months without any success
A database error has occurred: SQLSTATE[42S22]: Column not found: 1054 Unknown column ‘url’ in ‘field list’ (SQL: select url
, navigation_menu_item_id
from navigation_menu_items
where context_id
= 1)
if any one can advice me how to solve the problem
Thank you,