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 ('949dd5ab40d8519e80d29db3b969d029', -1, 1714040815, 1714040815, '12e25dcf', -4, 0, 0)

Line : 187
File : sessions.php