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 ('be21383d81a66da18e22ab6172bd3ad8', -1, 1714464518, 1714464518, '127551f0', 20, 0)

Line : 158
File : sessions.php