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 ('7fd530f8e08de59f85fb8b2e24cc9c1a', -1, 1713990944, 1713990944, '0aa8c802', 6, 0, 0)

Line : 200
File : sessions.php