Index: branches/unlabeled/unlabeled-1.65.2/core/units/general/cat_event_handler.php
===================================================================
diff -u -r6287 -r6316
--- branches/unlabeled/unlabeled-1.65.2/core/units/general/cat_event_handler.php	(.../cat_event_handler.php)	(revision 6287)
+++ branches/unlabeled/unlabeled-1.65.2/core/units/general/cat_event_handler.php	(.../cat_event_handler.php)	(revision 6316)
@@ -819,10 +819,10 @@
 		$rel_pop		= $this->Application->ConfigValue('SearchRel_Pop_'.$conf_postfix)		/ 100;
 		$rel_rating		= $this->Application->ConfigValue('SearchRel_Rating_'.$conf_postfix)	/ 100;
 		$relevance_clause = '('.implode(' + ', $revelance_parts).') / '.$weight_sum.' * '.$rel_keywords;
-		if ($rel_pop) {
+		if ($rel_pop && isset($object->Fields['Hits'])) {
 			$relevance_clause .= ' + (Hits + 1) / (MAX(Hits) + 1) * '.$rel_pop;
 		}
-		if ($rel_rating) {
+		if ($rel_rating && isset($object->Fields['CachedRating'])) {
 			$relevance_clause .= ' + (CachedRating + 1) / (MAX(CachedRating) + 1) * '.$rel_rating;
 		}
 
Index: branches/unlabeled/unlabeled-1.65.2/kernel/units/general/cat_event_handler.php
===================================================================
diff -u -r6287 -r6316
--- branches/unlabeled/unlabeled-1.65.2/kernel/units/general/cat_event_handler.php	(.../cat_event_handler.php)	(revision 6287)
+++ branches/unlabeled/unlabeled-1.65.2/kernel/units/general/cat_event_handler.php	(.../cat_event_handler.php)	(revision 6316)
@@ -819,10 +819,10 @@
 		$rel_pop		= $this->Application->ConfigValue('SearchRel_Pop_'.$conf_postfix)		/ 100;
 		$rel_rating		= $this->Application->ConfigValue('SearchRel_Rating_'.$conf_postfix)	/ 100;
 		$relevance_clause = '('.implode(' + ', $revelance_parts).') / '.$weight_sum.' * '.$rel_keywords;
-		if ($rel_pop) {
+		if ($rel_pop && isset($object->Fields['Hits'])) {
 			$relevance_clause .= ' + (Hits + 1) / (MAX(Hits) + 1) * '.$rel_pop;
 		}
-		if ($rel_rating) {
+		if ($rel_rating && isset($object->Fields['CachedRating'])) {
 			$relevance_clause .= ' + (CachedRating + 1) / (MAX(CachedRating) + 1) * '.$rel_rating;
 		}