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 ('eea55b73b6b5b9e06dad8cd06f543360', -1, 1749767995, 1749767995, 'd849d803', 5, 0, 0)

Line : 190
File : sessions.php