Error: ACCOUNT TYPE D IS NOT DEFINED FOR DOCUMENT TYPE KZ

Hello Experts,

I have linked one of vendor account with customer account and check clear with customer and same for customer with the same vendor and all.

But while doing payment f-53, its clearly showing how much have to pay and recieve

But I am processing further for payment ..

ERROR IS : ACCOUNT TYPE D IS NOT DEFINED FOR DOCUMENT TYPE KZ 

Which step i have left?

Since now thanks.