phpBB : Erreur Critique

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '978d20c4ee937bb7a360b47d2a4bd3c8' 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 ('978d20c4ee937bb7a360b47d2a4bd3c8', -1, 1714217214, 1714217214, '1277fd5d', -4, 0, 0)

Line : 187
File : sessions.php