UploadTool The content of the element must contsist of well-forme character data or markup

UploadTool The content of the element must contsist of well-forme character data or markup

Hi i'm having this error when work with some queries from MS SQL Server. Apparently the problems is regarding with the comparison operator (<> not equal to & <= less than), please i need assistance with this.

By the way i attached the database_sql_query.xml and logs.

Best regards,
RR
 
[Fatal Error] database_sql_queries.xml:138:647: The content of elements must consist of well-formed character data or markup.
Error !!!
Exception occured while parsing the import options XML.
The content of elements must consist of well-formed character data or markup.
Kindly check the logs for more details!