Apache not finding folder on File System; Appending "\xe2\x80\x9d" to end of File Paths

DocumentRoot "/Library/WebServer/Documents/dev3”
                                               ^----- no proper quotation mark :9

If you have php installed:

<?php
echo "\xe2\x80\x9d";

// or

echo utf8_decode("\xe2\x80\x9d");

// should give you ”