phpBB : Erreur Critique

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '91959a7cf18a64970430a51cda9f34db' 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 ('91959a7cf18a64970430a51cda9f34db', -1, 1769563991, 1769563991, 'd849d883', -9, 0, 0)

Line : 187
File : sessions.php