Error: the version you are upgrading from version <b>3.6.0</b> is not known to this install program  Please visit the website cslh.com and download the latest release OR ask Sales Syntax  by emailing <b>csyntax@gmail.com</b> why this install will not upgrade from version to <b>3.6.0</b> to 3.5.4  a quick fix for this (although not fully upgraded ) is to just remove the setup.php file