XML Simple Transformation namespace issue

I am currently trying to do a simple transformation in STRANS that will require the prefix <x:> for all my tags. I have added a namespace entry in STRANS of xmlns:x="http://www.w3.org/2001/XMLSchema" and labeled my element "x.PLANT".

My SourceCde looks like this:

<?sap.transform simple?>

<tt:transform xmlns:tt="http://www.sap.com/transformation-templates"

xmlns:ddic="http://www.sap.com/abapxml/types/dictionary"

xmlns:def="http://www.sap.com/abapxml/types/defined" 

xmlns:x="http://www.w3.org/2001/XMLSchema">

<tt:root name="PLANT" type="ddic:WERKS_D"/>

  <tt:template>

  <x:PLANT tt:value-ref=".PLANT"/>

  </tt:template>

</tt:transform>

My XML file looks like this:

<?xml version="1.0" encoding="UTF-8" ?>

<x:PLANT>1201</x:PLANT>

When I run call my transformation:

data : result type werks_d,

I get a short dump stating the following:

Error analysis

    An exception occurred that is explained in detail below.

    The exception, which is assigned to class 'CX_ST_MATCH_ELEMENT', was not caught

     and

    therefore caused a runtime error.

    The reason for the exception is:

    XML matching error

    Expected was element-start: "PLANT" [http://www.w3.org/2001/XMLSchema] Read was

     invalid: " " [ ].

Can someone please offer a solution to the pain I am currently experiencing? All thoughts are much appreciated.