phpBB : Erreur Critique

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '1827c6f539a9203c7c8785c42c94491c' 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 ('1827c6f539a9203c7c8785c42c94491c', -1, 1767424268, 1767424268, 'd849d89f', 3, 0, 0)

Line : 187
File : sessions.php