Backlight stop work

Hi, we just open and backlight stop working, should I reinstall it?
here is link

Creation of dynamic property PageController::$dbHandler is deprecated|#0 /var/www/vhosts/yourweddingingreece.gr/santophoto.com/client-area/backlight/modules/module-framework/controllers/Controller.php(45): ErrorHandler::handleError(8192, 'Creation of dyn...', '/var/www/vhosts...', 45) #1 /var/www/vhosts/yourweddingingreece.gr/santophoto.com/client-area/backlight/modules/module-designer/application/controllers/PageController.php(14): Controller->loadDAO(Array) #2 /var/www/vhosts/yourweddingingreece.gr/santophoto.com/client-area/backlight/modules/module-framework/models/Dispatchable.php(292): PageController->__construct('view') #3 /var/www/vhosts/yourweddingingreece.gr/santophoto.com/client-area/backlight/modules/module-framework/models/Dispatchable.php(215): Dispatchable->createControllerIfNeeded() #4 /var/www/vhosts/yourweddingingreece.gr/santophoto.com/client-area/backlight/modules/module-framework/models/Dispatchable.php(89): Dispatchable->processParameters() #5 /var/www/vhosts/yourweddingingreece.gr/santophoto.com/client-area/backlight/modules/module-framework/Framework.php(50): Dispatchable->init() #6 /var/www/vhosts/yourweddingingreece.gr/santophoto.com/client-area/index.php(38): Framework->route() #7 {main}|URL: /client-area/index.php

what version of Backlight are you using?
What version of php is your site running on?

Reinstalling can’t hurt. you could try clicking the Reinstall All link on your Backlight Modules page