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 ('43498333fc9e61fc7a9a6266a3bea6cf', -1, 1730432212, 1730432212, '12e366c3', -1, 0, 0)

Line : 195
File : sessions.php