Dissappointed and appauled

I took a loan with Lendplus, i waited 2 months before getting my money. I sattled the same loan the next month, but the pyment hasnt been updated as paid on my profiles, i get calls everyday and tell the consultants that i paid, they all say they will check but NEVER does, Right now m credit scor is affected because it shows i owe lendplus but in actual fact i donr