SAP SFTP File content conversion

Hello,

I have simple scenario SFTP to ABAP proxy in process orchestration..

My input file is

12345666777777

223454566666666

222344444444444

My Message type

<xsd:schema xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns="urn:city-cob:ltsadata:to:sap" targetNamespace="urn:city-cob:ltsadata:to:sap">

   <xsd:element name="LTSARequest_MT" type="LTSARequest_DT" />

   <xsd:complexType name="LTSARequest_DT">

      <xsd:annotation>

         <xsd:documentation xml:lang="EN">

         LTSA Property Data

         </xsd:documentation>

      </xsd:annotation>

      <xsd:sequence>

         <xsd:element name="LTSARecordSet" maxOccurs="unbounded">

            <xsd:complexType>

               <xsd:sequence>

                  <xsd:element name="LTSARecords" type="xsd:string" />

               </xsd:sequence>

            </xsd:complexType>

         </xsd:element>

      </xsd:sequence>

   </xsd:complexType>

</xsd:schema>

I am using content conversion:

I have error called:

Message:			Exception received: java.lang.NullPointerException
Severity:			Error
Date:			2016-04-06
Time:			10:43:54:645
Category:			com.sap.aii.adapter.sftp.ra.rar.jca.SFTP2XI
Location:			com.sap.aii.adapter.sftp.ra.rar.jca.SFTP2XI.sftpConnection(Channel channel)
Application:
Thread:			XI SFTP2XI[LTSAPropertyDataToERP_File_CC/Sys_DCoBLTSA/]_61552
Data Source:			j2ee\cluster\server0\log\defaultTrace_00.trc
Arguments:
Passport User Activity ID:			f0acde0be61a11e5bfc3005056825c21
Message ID:
Session:			0
Transaction:
User:			SM1Guest
Time Zone:			0-700
Customer Message Component:			BC-XI-CON-B2B
Runtime Component:			sap.com/com.sap.aii.adapter.sftp.app
Correlation ID:			447239550002103089
Passport Session:			F0ACDE0BE61A11E5BFC3005056825C21
Passport Connection:
Passport Connection Counter:			0
Host:			aspasia
System:			SM1
Instance:			J44
Node:			server0
Log ID:			C0000A0107830DD00000000000001060

Please help me how do simple content conversion in SAP SFTP sender adapeter.

Thank you

John