Index: /model/wpsg_country.class.php
===================================================================
--- /model/wpsg_country.class.php	(revision 6524)
+++ /model/wpsg_country.class.php	(revision 6525)
@@ -63,5 +63,5 @@
 		{						
 
-			if ($tax_group == 'e' || !array_key_exists('mwst_'.$tax_group, $this->data)) return 0;
+			if ($tax_group == 'e' || !$this->isLoaded() || !array_key_exists('mwst_'.$tax_group, $this->data)) return 0;
 								
 			return $this->data['mwst_'.$tax_group];