Wp-lister listing error

I have this error when I try to verify product for listing

Error: (#90002)
soap-fault: org.xml.sax.SAXParseException: An invalid XML character (Unicode: 0x0) was found in the CDATA section.

I have activated the debug also

can someone help me?
regards

http://ww.wp.xz.cn/plugins/wp-lister-for-ebay/