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 ('77d77a5516e01997eb4c9602c9ec7aa3', -1, 1749717893, 1749717893, 'd849d891', 3, 0, 0)

Line : 190
File : sessions.php