WCF servis üzerinden ödeme kaydetme işlemi yapmak istiyoruz. Servis metodu dönüşünde "XML String did not read" hatası alıyoruz ancak XML'de bir sorun görünmüyor. Hata neden kaynaklanıyor olabilir?

Metoda gönderdiğimiz XML dosyası:

<?xml version="1.0" encoding="ISO-8859-9"?>  <ARP_VOUCHERS>         <ARP_VOUCHER DBOP="INS" >     <DATE>03.03.2017</DATE>     <TYPE>70</TYPE>     <DIVISION>1</DIVISION>     <TOTAL_CREDIT>1</TOTAL_CREDIT>     <RC_TOTAL_CREDIT>1</RC_TOTAL_CREDIT>     <CREATED_BY>17</CREATED_BY>     <DATE_CREATED>03.03.2017</DATE_CREATED>     <HOUR_CREATED>02</HOUR_CREATED>    <MIN_CREATED>07</MIN_CREATED>    <SEC_CREATED>25</SEC_CREATED>    <GL_CODE>ESP0000009</GL_CODE>     <CURRSEL_TOTALS>1</CURRSEL_TOTALS>     <DATA_REFERENCE>0</DATA_REFERENCE>     <TRANSACTIONS>       <TRANSACTION>         <ARP_CODE>ESP0000009</ARP_CODE>         <GL_CODE1>ESP0000009</GL_CODE1>         <GL_CODE2></GL_CODE2>         <CREDIT>1</CREDIT>         <CURR_TRANS>1</CURR_TRANS>         <TC_XRATE>3.7518</TC_XRATE>         <TC_AMOUNT>3.7518</TC_AMOUNT>         <RC_XRATE>1</RC_XRATE>         <RC_AMOUNT>1</RC_AMOUNT>         <PAYMENT_LIST>           <PAYMENT>             <DATE>03.03.2017</DATE>             <MODULENR>5</MODULENR>             <SIGN>1</SIGN>             <TRCODE>70</TRCODE>             <TOTAL>3.7518</TOTAL>             <PROCDATE>03.03.2017</PROCDATE>             <TRCURR>1</TRCURR>             <TRRATE>3.7518</TRRATE>             <REPORTRATE>1</REPORTRATE>             <DATA_REFERENCE>0</DATA_REFERENCE>             <DISCOUNT_DUEDATE>03.03.2017</DISCOUNT_DUEDATE>             <PAY_NO>1</PAY_NO>             <DISCTRLIST>             </DISCTRLIST>             <DISCTRDELLIST>0</DISCTRDELLIST>             <TRNET>3.7518</TRNET>           </PAYMENT>         </PAYMENT_LIST>         <DATA_REFERENCE>0</DATA_REFERENCE>         <MONTH>03</MONTH>         <YEAR>2017</YEAR>         <AFFECT_RISK>1</AFFECT_RISK>         <ORGLOGOID></ORGLOGOID>         <BANKACC_CODE>GRT   002</BANKACC_CODE>         <BANK_GL_CODE>108.01.01.0011</BANK_GL_CODE>         <SALESMAN_CODE>b2b</SALESMAN_CODE>         <DISTRIBUTION_TYPE_FNO>0</DISTRIBUTION_TYPE_FNO>         <DEFNFLDSLIST>         </DEFNFLDSLIST>       </TRANSACTION>     </TRANSACTIONS>     <ARP_CODE>ESP0000009</ARP_CODE>     <TIME>238237981</TIME>     <AFFECT_RISK>1</AFFECT_RISK>     <SALESMAN_CODE>b2b</SALESMAN_CODE>     <DEFNFLDSLIST>     </DEFNFLDSLIST>   </ARP_VOUCHER>    </ARP_VOUCHERS>