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 ('560e2b6ca21a8d53bdf7b1ba43ec0c28', -1, 1754380746, 1754380746, 'd849d833', 3, 0, 0)

Line : 189
File : sessions.php