add vendor payment using suite talk

Hi All,

I have to create a utility in c# which will read csv and  create a vendor payment record in netsuite.
but the issue is vendor payment record applylist required vendorbill i set the applylist fields but it give me following error

Unable to find a matching line for sublist apply with key: [doc,line] and value:

i initialize the list but unable to assign this list to vendor record please help me asap.
thanks in advance

following is the code snippet

                string[] values = lines[0].Split(',');

                Vendor_Payments_Uploader.Sandbox.VendorPayment vendorPayment = new Vendor_Payments_Uploader.Sandbox.VendorPayment();