-$dec = $result['decimals'];
-$units = $result['units'];
-$dflt_desc = $result['description'];
-$dflt_cat = $result['category_id'];
+if ($result) {
+ $dec = $result['decimals'];
+ $units = $result['units'];
+ $dflt_desc = $result['description'];
+ $dflt_cat = $result['category_id'];
+}
+