diff --git a/admin/survey/modules/mod_advanced_paradata/class.SurveyAdvancedParadataLog.php b/admin/survey/modules/mod_advanced_paradata/class.SurveyAdvancedParadataLog.php
index 1adf09ec5..59028299a 100644
--- a/admin/survey/modules/mod_advanced_paradata/class.SurveyAdvancedParadataLog.php
+++ b/admin/survey/modules/mod_advanced_paradata/class.SurveyAdvancedParadataLog.php
@@ -29,8 +29,6 @@ class SurveyAdvancedParadataLog {
 			SurveyInfo::getInstance()->SurveyInit($this->anketa);
 			$this->collectParadata = (SurveyInfo::getInstance()->checkSurveyModule('advanced_paradata')) ? true : false;
 		}
-		else
-			throw new Exception('Survey ID not set in class.SurveyAdvancedParadataLog.php !');
 	}
 	
 	// Vrne instanco classa - da mamo singleton
diff --git a/function.php b/function.php
index 3903e18b0..a96fecb3b 100644
--- a/function.php
+++ b/function.php
@@ -693,7 +693,7 @@ function isVirtual(){
 // Dobimo id ankete iz hash-a
 function getSurveyIdFromHash($hash){
     
-    $ank_id = 0;
+    $ank_id = null;
 
     $sql = sisplet_query("SELECT id FROM srv_anketa WHERE hash='".$hash."'");
     if (mysqli_num_rows($sql) > 0) {