Sign in Button takes me to blank page

[jpatterson]

I get a blank page when I try to sign in as a web customer.

I turned on error reporting and got this message but do not know how to fix it. Can anyone help?

 

 

Fatal error: Uncaught exception 'SmartyException' with message 'Unable to load template file '/home/randys12/public_html/themes/default-bootstrap/authentication.tpl'' in /home/randys12/public_html/tools/smarty/sysplugins/smarty_internal_templatebase.php:127 Stack trace: #0 /home/randys12/public_html/classes/controller/FrontController.php(553): Smarty_Internal_TemplateBase->fetch('/home/randys12/...') #1 /home/randys12/public_html/classes/controller/Controller.php(198): FrontControllerCore->display() #2 /home/randys12/public_html/classes/Dispatcher.php(373): ControllerCore->run() #3 /home/randys12/public_html/index.php(28): DispatcherCore->dispatch() #4 {main} thrown in /home/randys12/public_html/tools/smarty/sysplugins/smarty_internal_templatebase.php on line 1