jos-Error: No Data Grids Available to User. Please Contact Administrator to Assign Data Grid Access

JSite -> dispatch() @ /home/c/cx29379/public_html/index.php:42
JComponentHelper :: renderComponent() @ /home/c/cx29379/public_html/includes/application.php:194
JComponentHelper :: executeComponent() @ /home/c/cx29379/public_html/libraries/joomla/application/component/helper.php:348
require_once() @ /home/c/cx29379/public_html/libraries/joomla/application/component/helper.php:380
JController -> execute() @ /home/c/cx29379/public_html/components/com_jgrid/jgrid.php:48
JgridController -> display() @ /home/c/cx29379/public_html/libraries/joomla/application/component/controller.php:761
JController -> display() @ /home/c/cx29379/public_html/components/com_jgrid/controller.php:82
JgridViewJgrid -> display() @ /home/c/cx29379/public_html/libraries/joomla/application/component/controller.php:722
JError :: raiseError() @ /home/c/cx29379/public_html/components/com_jgrid/views/jgrid/view.html.php:36
JError :: raise() @ /home/c/cx29379/public_html/libraries/joomla/error/error.php:251