Unable to render contact page

When i attempt to go to the contact page on my site I get the following error

Warning: require_once(C:\Bitnami\wampstack-7.1.23-1\apps\joomla1\htdocs\libraries/joomla/document/html/renderer/head.php): failed to open stream: No such file or directory in C:\Bitnami\wampstack-7.1.23-1\apps\joomla1\htdocs\templates\rt_chapelco\error.php on line 79

Fatal error: require_once(): Failed opening required 'C:\Bitnami\wampstack-7.1.23-1\apps\joomla1\htdocs\libraries/joomla/document/html/renderer/head.php' (include_path='.;C:/Bitnami/wampstack-7.1.23-1/php/PEAR;C:/Bitnami/wampstack-7.1.23-1/frameworks/smarty/libs') in C:\Bitnami\wampstack-7.1.23-1\apps\joomla1\htdocs\templates\rt_chapelco\error.php on line 79

Let me give you some background. I am having this issue on my test site which is on my local server. When I originally purchased and installed your package all was well. My production site is also working correctly. That is I am able to present the attached page but not send. When I click on the send comments button I received the attached.