Board Thread:Naruto Discussions/@comment-25319479-20170820141651/@comment-1251315-20170821152454

After 30-60 days, there is no need to add further responses to a thread, thus they're locked automatically to prevent people reviving dead discussions.

Double posting is against the forum rules, thus code was implemented to prevent anyone trying to do so within a short time frame. (Just a more in-depth answer to what TheUltimate3 posted above)