Using Mule 3.2 I am trying to build XML from inside my mule flow but I get this error I tried a few ideas online but I keep getting this message.

ERROR:

******************************************************************************** Message               : org.xml.sax.SAXParseException; lineNumber: 1; columnNumber: 1; Content is not allowed in prolog. (net.sf.saxon.trans.DynamicError) Code                  : MULE_ERROR-64999
-------------------------------------------------------------------------------- Exception stack is:
1. Content is not allowed in prolog. (org.xml.sax.SAXParseException)   org.apache.xerces.util.ErrorHandlerWrapper:-1 (null)
2. org.xml.sax.SAXParseException; lineNumber: 1; columnNumber: 1; Content is not allowed in prolog. (net.sf.saxon.trans.DynamicError)   net.sf.saxon.event.Sender:308 (null)
3. org.xml.sax.SAXParseException; lineNumber: 1; columnNumber: 1; Content is not allowed in prolog. (net.sf.saxon.trans.DynamicError) (org.mule.api.transformer.TransformerException)   org.mule.module.xml.transformer.XsltTransformer:190 (http://www.mulesoft.org/docs/site/current3/apidocs/org/mule/api/transformer/TransformerException.html)
--------------------------------------------------------------------------------
Root Exception stack trace: org.xml.sax.SAXParseException; lineNumber: 1; columnNumber: 1;
 Content is not allowed in prolog.
at org.apache.xerces.util.ErrorHandlerWrapper.createSAXParseException(Unknown Source)
at org.apache.xerces.util.ErrorHandlerWrapper.fatalError(Unknown Source)
at org.apache.xerces.impl.XMLErrorReporter.reportError(Unknown Source)
    + 3 more (set debug level logging or '-Dmule.verbose.exceptions=true' for everything)
********************************************************************************