phpBB : Critical Error

Error creating new session

DEBUG MODE

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

INSERT INTO blitz_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('a48d79b08a81bcdff72838e7a1a7d5ef', -1, 1713987674, 1713987674, '0aa8c802', 10, 0, 0)

Line : 200
File : sessions.php