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Warning: Unknown class passed as parameter in /home/nowmedia/public_html/sapphire/core/Object.php on line 568

Fatal error: Uncaught exception 'ReflectionException' with message 'Class ProductVariant does not exist' in /home/nowmedia/public_html/sapphire/core/Object.php:385 Stack trace: #0 /home/nowmedia/public_html/sapphire/core/Object.php(385): ReflectionClass->__construct('ProductVariant') #1 /home/nowmedia/public_html/sapphire/core/Object.php(543): Object::uninherited_static('ProductVariant', 'extensions') #2 /home/nowmedia/public_html/dataobject_manager/code/SortableDataObject.php(19): Object::add_extension('ProductVariant', 'SortableDataObj...') #3 /home/nowmedia/public_html/dataobject_manager/code/SortableDataObject.php(37): SortableDataObject::add_sortable_class('ProductVariant') #4 /home/nowmedia/public_html/mysite/_config.php(50): SortableDataObject::add_sortable_classes(Array) #5 /home/nowmedia/public_html/silverstripe-cache/manifest-main(8089): require_once('/home/nowmedia/...') #6 /home/nowmedia/public_html/sapphire/core/ManifestBuilder.php(74): require_once('/home/nowmedia/...') #7 /home/nowmedia/public_html/sapphire in /home/nowmedia/public_html/sapphire/core/Object.php on line 385