Just by taking a look at the page I can see that theres seems to be a problem with a literal value that is being used near line 213
<cfset MailTo = WAUE_getAddressString("#IIf(isDefined(")>
What is the version of UE you are using and the version of DW you are working with? When you are crafting the email message what steps are you taking? It looks as though there may be some duplicate content that has been pasted into the body of the message.
Also what is the exact error you are getting when you attempt to run the page?