phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '-1' for key 'session_user_id'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('634952f6caa99909b79c6ed8c5eb4dc0', -1, 1713502475, 1713502475, '038a229e', -10, 0, 0)

Line : 187
File : sessions.php