I think this is because you don't have the correct character encoding for your page (the validator doesn't recognize the ampersand at the beginning of the escape characters).
A couple of things you could try:
Include the HTML5 !DOCTYPE declaration at the top of the document:
<!DOCTYPE html>, or
utf-8 in the
head section of the document:
But to be honest, which version of Dreamweaver are you using? The code seems very poor and out-dated.
Is this code generated by Dreamweaver? If so, you shouldn't be setting the width and alignment of a table data cell in HTML; that's now obsolete and should be done with CSS instead. Also, there should be a space between the width and align attributes (i.e. between the