phpBB : Erreur Critique

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '27e8cb3f5239e0b9fba3211c5edaca6b' 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 ('27e8cb3f5239e0b9fba3211c5edaca6b', -1, 1770917456, 1770917456, 'd849d87a', -2, 0, 0)

Line : 187
File : sessions.php