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 ('59d558fc0d0d6e63b351d70c2da9ff08', -1, 1714628134, 1714628134, '12da303e', -4, 0)

Line : 158
File : sessions.php