Warning: Undefined variable $block in /home/airtimer/public_html/app/code/Magiccart/Magicproduct/view/adminhtml/templates/product/gridcustom.phtml on line 19

Fatal error: Uncaught Error: Call to a member function getLoadedProductCollection() on null in /home/airtimer/public_html/app/code/Magiccart/Magicproduct/view/adminhtml/templates/product/gridcustom.phtml:19 Stack trace: #0 {main} thrown in /home/airtimer/public_html/app/code/Magiccart/Magicproduct/view/adminhtml/templates/product/gridcustom.phtml on line 19