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) VALUES ('26fa2ad51dc3336152fb1abd51106aa0', -1, 1714306769, 1714306769, '03918fef', 0, 0)

Line : 158
File : sessions.php