phpBB : Erreur Critique

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '19d84a15d73e9c82ef337cdbdaa268ae' 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 ('19d84a15d73e9c82ef337cdbdaa268ae', -1, 1768391102, 1768391102, 'd849d871', 3, 0, 0)

Line : 187
File : sessions.php