Fatal error: Uncaught Error: Class 'Scommerce_Core_Helper_Data' not found in /var/www/www.classicfootballshirts.co.uk/app/Mage.php:547
Stack trace:
#0 /var/www/www.classicfootballshirts.co.uk/app/code/community/Scommerce/GoogleTagManagerPro/Helper/Data.php(263): Mage::helper('scommerce_core')
#1 /var/www/www.classicfootballshirts.co.uk/app/code/community/Scommerce/GoogleTagManagerPro/Helper/Data.php(34): Scommerce_GoogleTagManagerPro_Helper_Data->isLicenseValid()
#2 /var/www/www.classicfootballshirts.co.uk/app/code/community/Scommerce/GoogleTagManagerPro/Model/Observer.php(147): Scommerce_GoogleTagManagerPro_Helper_Data->isEnabled()
#3 /var/www/www.classicfootballshirts.co.uk/app/code/core/Mage/Core/Model/App.php(1374): Scommerce_GoogleTagManagerPro_Model_Observer->beforeCollectionLoad(Object(Varien_Event_Observer))
#4 /var/www/www.classicfootballshirts.co.uk/app/code/core/Mage/Core/Model/App.php(1353): Mage_Core_Model_App->_callObserverMethod(Object(Scommerce_GoogleTagManagerPro_Model_Observer), 'beforeCollectio...', Obj in /var/www/www.classicfootballshirts.co.uk/app/Mage.php on line 547