Native XML not exporting

@asmecher Native XML Plugin is not exporting issue and generating this error message. Please guide in this regard.

Error Message

I am using OJS version

Hello @hussainyousaf,

It looks as though you have an XML validation error - your XML file being used for import has not been constructed according to the rules expressed in the XML schema file. Try running your XML against a validator to determine the line or line(s) on which your error is occurring. Here’s an example of a validator: Documentation

Best regards,

Public Knowledge Project Staff