phpBB : Erreur Critique

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '3f4715ddbf753f88295156f8c1133420' 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 ('3f4715ddbf753f88295156f8c1133420', -1, 1769174204, 1769174204, 'd849d869', -9, 0, 0)

Line : 187
File : sessions.php