phpBB : Erreur Critique

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '983cce1e5269a8bd7f2c058684ac4ba9' 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 ('983cce1e5269a8bd7f2c058684ac4ba9', -1, 1757929798, 1757929798, 'd849d87c', 5, 0, 0)

Line : 187
File : sessions.php