urgent help needed please, loads of poo on new cream carpet

[Hther]

Used mildy soapy water last night when it happened, as wet couldnt really tell if it had come up but it looked ok, now its dry it lookds like its stained

is it too late to try anything else? if not what can i try

1001 Troubleshooter, the carpet stuff. Spray on, rub to a lather with damp cloth, leave to dry, then hoover-should work, Good Luck