mohon pencerahan saat upload xml eror seperti ini :
<?xml version="1.0" encoding="UTF-8"?>
<doi_batch_diagnostic status="completed" sp="ds3.crossref.org">
<submission_id>1425188320</submission_id>
<batch_id>N/A</batch_id>
<record_diagnostic status="Failure" msg_id="29">
<doi />
<msg>Deposited XML is not well-formed or does not validate: Error on line 2: DOCTYPE is disallowed when the feature "
http://apache.org/xml/features/disallow-doctype-decl" set to true.: Error on line 2: DOCTYPE is disallowed when the feature "
http://apache.org/xml/features/disallow-doctype-decl" set to true.</msg>
</record_diagnostic>
<batch_data>
<record_count>1</record_count>
<success_count>0</success_count>
<warning_count>0</warning_count>
<failure_count>1</failure_count>
</batch_data>
</doi_batch_diagnostic>
bagaimana cara mengatasinya suhu...