phpBB : Erreur Critique

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '6e310ca0cdab9ba17d8f78485f56fa1c' for key 'phpbb_sessions.PRIMARY'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('6e310ca0cdab9ba17d8f78485f56fa1c', -1, 1766072008, 1766072008, 'd849d89f', 5, 0, 0)

Line : 187
File : sessions.php