Hummingbird causing Fatal error - No such file or directory autoload.php on line 5

Getting the following error when I activate Hummingbird on my site. Error is on the front page public side, not in backend:

Warning: require(/home/clickbr3/public_html/appshredder.com/app/vendor/autoload.php): failed to open stream: No such file or directory in /home/clickbr3/public_html/appshredder.com/autoload.php on line 5

Warning: require(/home/clickbr3/public_html/appshredder.com/app/vendor/autoload.php): failed to open stream: No such file or directory in /home/clickbr3/public_html/appshredder.com/autoload.php on line 5

Fatal error: require(): Failed opening required '/home/clickbr3/public_html/appshredder.com/app/vendor/autoload.php' (include_path='.:disappointed:usr/local/php56/pear') in /home/clickbr3/public_html/appshredder.com/autoload.php on line 5

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