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 ('298502f0b2f72a13bdd1b3e2f910d712', -1, 1713984960, 1713984960, '0aa8c802', 1, 0, 0)

Line : 200
File : sessions.php