phpBB : Критическая ошибка

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '4a6a3136c5d189dee944de1b7ee040cc' for key 'PRIMARY'

INSERT INTO gisforum_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in) VALUES ('4a6a3136c5d189dee944de1b7ee040cc', -1, 1728713735, 1728713735, '00000000', -10, 0)

Line : 161
File : sessions.php