Error: The maximum string content length quota (8192) has been exceeded while reading XML data. Solution: Adjust buffer, message, and string content length in client's app config or web config.

<configuration>

...

 <system .servicemodel=".servicemodel">
  <bindings>
    <basichttpbinding>
       <binding ...="..." maxbuffersize="20481000" maxreceivedmessagesize="20481000" name="WSSoap">
         <readerquotas ...="..." maxstringcontentlength="20481000">
         </readerquotas>
       </binding>
    </basichttpbinding>
  </bindings>
 </system>
</configuration>