file content conversion xml.keyfeildname.no value

Hi experts,

here i was facing a big issue i was doing file to soap scenario

my file consist of one customer and multiple products in one string with pipe separator and specific end separator again it followed by another customer with multiple no of materials like

23455|snisw|mdhbvej|wsdwcsd;

23466|dnews|nsk|show;

here i taken in DT 2 fields as customers and materials  with 0-1 occurrence and mapped to respective target fields.

i did file content conversion as in the attachment

but i was getting error message as

Conversion initialization failed: java.lang.Exception: java.lang.Exception: java.lang.Exception: Error(s) in XML conversion parameters found: Mandatory parameter 'xml.keyfieldName': no value found

i was unable to pick the file please suggest me for the above problem its very urgent

Regards,

Vijay