<br />
<b>Fatal error</b>:  Uncaught Error: Undefined constant PrestaShop\PrestaShop\Core\Domain\Shop\ValueObject\ShopConstraint::SHOP in /home/sell/public_html/classes/shop/Shop.php:667
Stack trace:
#0 /home/sell/public_html/classes/shop/Shop.php(755): ShopCore::cacheShops()
#1 /home/sell/public_html/classes/Configuration.php(280): ShopCore::getShops(false, NULL, true)
#2 /home/sell/public_html/classes/shop/Shop.php(379): ConfigurationCore::getMultiShopValues('PS_MEDIA_SERVER...')
#3 /home/sell/public_html/config/config.inc.php(103): ShopCore::initialize()
#4 /home/sell/public_html/index.php(27): require('/home/sell/publ...')
#5 {main}
  thrown in <b>/home/sell/public_html/classes/shop/Shop.php</b> on line <b>667</b><br />