Index: admin/browse.php
===================================================================
--- admin/browse.php	(revision 9712)
+++ admin/browse.php	(working copy)
@@ -367,19 +367,21 @@
                 $fuqtquestions[] = $field['fieldname'];
         }
 
-        // find all responses (filenames) to the fuqt questions
-        $query="SELECT " . implode(", ", $fuqtquestions) . " FROM $surveytable where id={$_POST['deleteanswer']}";
-        $responses = db_execute_assoc($query) or safe_die("Could not fetch responses<br />$query<br />".$connect->ErrorMsg());
+        if (!empty($fuqtquestions)) {
+            // find all responses (filenames) to the fuqt questions
+            $query="SELECT " . implode(", ", $fuqtquestions) . " FROM $surveytable where id={$_POST['deleteanswer']}";
+            $responses = db_execute_assoc($query) or safe_die("Could not fetch responses<br />$query<br />".$connect->ErrorMsg());
 
-        while($json = $responses->FetchRow())
-        {
-            foreach ($fuqtquestions as $fieldname)
+            while($json = $responses->FetchRow())
             {
-                $phparray = json_decode($json[$fieldname]);
-                foreach($phparray as $metadata)
+                foreach ($fuqtquestions as $fieldname)
                 {
-                    $path = dirname(getcwd())."/upload/surveys/".$surveyid."/files/";
-                    unlink($path.$metadata->filename); // delete the file
+		     $phparray = json_decode($json[$fieldname]);
+                     foreach($phparray as $metadata)
+                     {
+                          $path = dirname(getcwd())."/upload/surveys/".$surveyid."/files/";
+                          unlink($path.$metadata->filename); // delete the file
+                     }
                 }
             }
         }