phpBB : Critical Error

Error creating new session

DEBUG MODE

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

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('b800d5f0ff739bd82d8a24a6b7f8f96d', -1, 1730438702, 1730438702, '0381d99f', -1, 0, 0)

Line : 195
File : sessions.php