jos-Error: Application Instantiation Error

JFactory :: getApplication() @ W:\www\festenhalt.com\html\index.php:27
JApplication :: getInstance() @ W:\www\festenhalt.com\html\libraries\joomla\factory.php:102
JSite -> __construct() @ W:\www\festenhalt.com\html\libraries\joomla\application\application.php:180
JApplication -> __construct() @ W:\www\festenhalt.com\html\includes\application.php:47
JApplication -> _createSession() @ W:\www\festenhalt.com\html\libraries\joomla\application\application.php:145
JFactory :: getSession() @ W:\www\festenhalt.com\html\libraries\joomla\application\application.php:1020
JFactory :: createSession() @ W:\www\festenhalt.com\html\libraries\joomla\factory.php:152
JSession :: getInstance() @ W:\www\festenhalt.com\html\libraries\joomla\factory.php:656
JSession -> __construct() @ W:\www\festenhalt.com\html\libraries\joomla\session\session.php:151
JSessionStorage :: getInstance() @ W:\www\festenhalt.com\html\libraries\joomla\session\session.php:106
JSessionStorageMemcache -> __construct() @ W:\www\festenhalt.com\html\libraries\joomla\session\storage.php:74
JError :: raiseError() @ W:\www\festenhalt.com\html\libraries\joomla\session\storage\memcache.php:59
JError :: raise() @ W:\www\festenhalt.com\html\libraries\joomla\error\error.php:251
JError :: throwError() @ W:\www\festenhalt.com\html\libraries\joomla\error\error.php:176
call_user_func_array() @ W:\www\festenhalt.com\html\libraries\joomla\error\error.php:214
JError :: handleCallback()
call_user_func() @ W:\www\festenhalt.com\html\libraries\joomla\error\error.php:765
JError :: customErrorPage()
JFactory :: getApplication() @ W:\www\festenhalt.com\html\libraries\joomla\error\error.php:784
JError :: raiseError() @ W:\www\festenhalt.com\html\libraries\joomla\factory.php:99
JError :: raise() @ W:\www\festenhalt.com\html\libraries\joomla\error\error.php:251