phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '-1' for key 'session_user_id'

INSERT INTO suzi4x4_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('e54517c2e757fa2e70d798f15c67888e', -1, 1702321004, 1702321004, '23af6b8e', 39, 0, 0)

Line : 187
File : sessions.php