Gros Problème

Salut,

Il ya a un probleme sur les forums. Lorque je veux répondre a quelqu'un il disent:

Erreur interne [cbe4286cd8378549503991a4] /wiki/Special:AWCforum/post/todo_add_post Error from line 115 of /var/www/wikimini.org/www/w/extensions-external/awc-fr/forums/includes/subscribe.php: Cannot unset string offsets

Backtrace:

0 /var/www/wikimini.org/www/w/extensions-external/awc-fr/forums/includes/subscribe.php(80): awcs_forum_subscribe->unsubscribe_to_thread()
1 /var/www/wikimini.org/www/w/extensions-external/awc-fr/forums/includes/subscribe.php(71): awcs_forum_subscribe->check_thread_subscribe()
2 /var/www/wikimini.org/www/w/extensions-external/awc-fr/forums/post.php(809): awcs_forum_subscribe->check_user_thread_subscribe()
3 /var/www/wikimini.org/www/w/extensions-external/awc-fr/forums/post.php(663): awcsforum_post_cls->add_single_post()
4 /var/www/wikimini.org/www/w/extensions-external/awc-fr/forums/post.php(271): awcsforum_post_cls->add_post(NULL)
5 /var/www/wikimini.org/www/w/extensions-external/awc-fr/forums/post.php(44): awcsforum_post_cls->enter_post()
6 /var/www/wikimini.org/www/w/extensions-external/awc-fr/forums/includes/load/load_forum.php(481): awcs_forum_post()
7 /var/www/wikimini.org/www/w/extensions-external/awc-fr/forums/SpecialPageAWC.php(74): load_awcs_forum()
8 /var/www/wikimini.org/www/w/includes/specialpage/SpecialPage.php(522): SpecialAWCforum->execute(string)
9 /var/www/wikimini.org/www/w/includes/specialpage/SpecialPageFactory.php(576): SpecialPage->run(string)
10 /var/www/wikimini.org/www/w/includes/MediaWiki.php(283): SpecialPageFactory::executePath(Title, RequestContext)
11 /var/www/wikimini.org/www/w/includes/MediaWiki.php(851): MediaWiki->performRequest()
12 /var/www/wikimini.org/www/w/includes/MediaWiki.php(512): MediaWiki->main()
13 /var/www/wikimini.org/www/w/index.php(43): MediaWiki->run()
14 {main}