phpBB : Erreur Critique

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'c0b1a04445448c614da8f245b3e3bf61' 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 ('c0b1a04445448c614da8f245b3e3bf61', -1, 1771201718, 1771201718, 'd849d87a', 4, 0, 0)

Line : 187
File : sessions.php