phpBB : Erreur Critique

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '54f6e5ea96a5df2d289c6ab52ce66f68' 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 ('54f6e5ea96a5df2d289c6ab52ce66f68', -1, 1765104778, 1765104778, 'd849d806', 5, 0, 0)

Line : 187
File : sessions.php