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 ('0c8934b8431e9c38ea5500539d701955', -1, 1730439604, 1730439604, '030fd0ee', -1, 0, 0)

Line : 195
File : sessions.php