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 ('c9ed84f0a720d8514ebe27b8a55b712c', -1, 1713986697, 1713986697, '0aa8c802', -4, 0, 0)

Line : 200
File : sessions.php