PHP Fatal error Validate::isLinkRewrite()

[HAIRWEBSHOP]

Hello,

We discovered the following returning Fatal errors in our PHP error log:

[21-Jul-2016 08:35:16 Europe/Amsterdam] PHP Fatal error:  Uncaught Error: Class 'Media' not found in /home/vhosting/b/vhost0072918/domains/hairwebshop.nl/htdocs/www/classes/controller/Controller.php:308
Stack trace:
#0 /htdocs/www/classes/controller/FrontController.php(1333): ControllerCore->addCSS(Array, 'all', NULL, true)
#1 /htdocs/www/classes/controller/FrontController.php(1363): FrontControllerCore->addMedia(Array, 'all', NULL, false, true)
#2 /htdocs/www/classes/controller/FrontController.php(950): FrontControllerCore->addCSS('/themes/default...', 'all')
#3 /htdocs/www/classes/controller/Controller.php(174): FrontControllerCore->setMedia()
#4 /htdocs/www/classes/Dispatcher.php(367): ControllerCore->run()
#5 /htdocs/www/index.php(28): DispatcherCore->disp in /home/vhosting/b/vhost0072918/domains/hairwebshop.nl/htdocs/www/classes/controller/Controller.php on line 308

[21-Jul-2016 14:21:54 Europe/Amsterdam] PHP Fatal error:  Uncaught Error: Call to undefined method Validate::isLinkRewrite() in /home/vhosting/b/vhost0072918/domains/hairwebshop.nl/htdocs/www/controllers/admin/AdminProductsController.php:2239
Stack trace:
#0 /htdocs/www/controllers/admin/AdminProductsController.php(1980): AdminProductsControllerCore->checkProduct()
#1 /htdocs/www/classes/controller/AdminController.php(1064): AdminProductsControllerCore->processUpdate()
#2 /htdocs/www/classes/controller/AdminController.php(909): AdminControllerCore->processSave()
#3 /htdocs/www/controllers/admin/AdminProductsController.php(1440): AdminControllerCore->postProcess()
#4 /htdocs/www/classes/controller/Controller.php(178): AdminProductsControllerCore->postProcess()
#5 /htdocs/www/controllers/admin/AdminProductsController.php on line 2239

Can someone please help us indetify and solve the problem?

Thank you in advance!

Edited July 21, 2016 by HAIRWEBSHOP (see edit history)