jos-Error: Application Instantiation Error

JFactory :: getApplication() @ /home/islamicf/public_html/index.php:27
JApplication :: getInstance() @ /home/islamicf/public_html/libraries/joomla/factory.php:102
JSite -> __construct() @ /home/islamicf/public_html/libraries/joomla/application/application.php:208
JApplication -> __construct() @ /home/islamicf/public_html/includes/application.php:47
JApplication -> _createSession() @ /home/islamicf/public_html/libraries/joomla/application/application.php:173
JFactory :: getSession() @ /home/islamicf/public_html/libraries/joomla/application/application.php:1046
JFactory :: createSession() @ /home/islamicf/public_html/libraries/joomla/factory.php:152
JSession :: getInstance() @ /home/islamicf/public_html/libraries/joomla/factory.php:661
JSession -> __construct() @ /home/islamicf/public_html/libraries/joomla/session/session.php:152
JSessionStorage :: getInstance() @ /home/islamicf/public_html/libraries/joomla/session/session.php:107
JSessionStorageApc -> __construct() @ /home/islamicf/public_html/libraries/joomla/session/storage.php:73
JError :: raiseError() @ /home/islamicf/public_html/libraries/joomla/session/storage/apc.php:33
JError :: raise() @ /home/islamicf/public_html/libraries/joomla/error/error.php:251
JError :: throwError() @ /home/islamicf/public_html/libraries/joomla/error/error.php:176
call_user_func_array() @ /home/islamicf/public_html/libraries/joomla/error/error.php:214
JError :: handleMessage()
JFactory :: getApplication() @ /home/islamicf/public_html/libraries/joomla/error/error.php:705
JError :: raiseError() @ /home/islamicf/public_html/libraries/joomla/factory.php:99
JError :: raise() @ /home/islamicf/public_html/libraries/joomla/error/error.php:251