I just put load.php from the github to my web server and same problem. Just the line number was change
2: htmlspecialchars() [<a href='function.htmlspecialchars'>function.htmlspecialchars</a>]: Invalid multibyte sequence in argument
File: /home/quebecp/public_html/calculmapensionpointca/smf/Sources/Load.php
Line: 117