phpBB : Erreur Critique

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '54173e7871f6730548fb69af7f567355' 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 ('54173e7871f6730548fb69af7f567355', -1, 1771213393, 1771213393, 'd849d87a', 5, 0, 0)

Line : 187
File : sessions.php