phpBB : Erreur Critique

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '4f18f6ab8a0babead524f45e8377be29' 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 ('4f18f6ab8a0babead524f45e8377be29', -1, 1756904359, 1756904359, 'd849d891', -9, 0, 0)

Line : 187
File : sessions.php