Index: core/units/languages/languages_item.php
===================================================================
--- core/units/languages/languages_item.php
+++ core/units/languages/languages_item.php
@@ -194,6 +194,10 @@
 		 */
 		public function Load($id, $id_field_name = null, $cachable = true)
 		{
+			if ( $cachable && $this->IsTempTable() ) {
+				$cachable = false;
+			}
+
 			$default = false;
 			if ($id == 'default') {
 				// domain based primary language
@@ -299,4 +303,4 @@
 
 			return true;
 		}
-	}
\ No newline at end of file
+	}
Index: core/units/themes/theme_item.php
===================================================================
--- core/units/themes/theme_item.php
+++ core/units/themes/theme_item.php
@@ -18,6 +18,10 @@
 	{
 		public function Load($id, $id_field_name = null, $cachable = true)
 		{
+			if ( $cachable && $this->IsTempTable() ) {
+				$cachable = false;
+			}
+
 			$default = false;
 			if ($id == 'default') {
 				// domain based primary theme