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 ('d4ec863d5c14385282763e6ce53604d7', -1, 1748125804, 1748125804, '12d8d3ad', 2, 0, 0)

Line : 190
File : sessions.php