Fatal error: Uncaught Error: Call to a member function getRateInfo() on boolean in /var/www/html/app/code/community/Unirgy/DropshipVendorTax/Model/Rewrite1900/Tax/Calculation.php:291 Stack trace: #0 /var/www/html/app/code/community/Unirgy/DropshipVendorTax/Model/TaxObserver.php(24): Unirgy_DropshipVendorTax_Model_Rewrite1900_Tax_Calculation->getRate(Object(Varien_Object)) #1 /var/www/html/app/code/core/Mage/Core/Model/App.php(1358): Unirgy_DropshipVendorTax_Model_TaxObserver->addTaxPercentToProductCollection(Object(Varien_Event_Observer)) #2 /var/www/html/app/code/core/Mage/Core/Model/App.php(1337): Mage_Core_Model_App->_callObserverMethod(Object(Unirgy_DropshipVendorTax_Model_TaxObserver), 'addTaxPercentTo...', Object(Varien_Event_Observer)) #3 /var/www/html/app/Mage.php(463): Mage_Core_Model_App->dispatchEvent('catalog_product...', Array) #4 /var/www/html/app/code/core/Mage/Catalog/Model/Resource/Product/Collection.php(545): Mage::dispatchEvent('catalog_product...', Array) #5 /var/www/html/app/code/core/Mage/Eav/Model/E in /var/www/html/app/code/community/Unirgy/DropshipVendorTax/Model/Rewrite1900/Tax/Calculation.php on line 291