diff --git a/lib/WebGUI/Session/ErrorHandler.pm b/lib/WebGUI/Session/ErrorHandler.pm
index 1e94545bf..c438feb59 100644
--- a/lib/WebGUI/Session/ErrorHandler.pm
+++ b/lib/WebGUI/Session/ErrorHandler.pm
@@ -330,8 +330,9 @@ sub query {
 	my $placeholders = shift;
 	$self->{_queryCount}++;
 	my $plac;
-	if (defined $placeholders and ref $placeholders eq "ARRAY" && scalar(@{$placeholders})) {
-        $plac = "\n  with placeholders:  " . JSON->new->encode($placeholders);
+	if (defined $placeholders and ref $placeholders eq "ARRAY" && scalar(@$placeholders)) {
+        my @placeholders = map {ref $_ ? "$_" : $_} @$placeholders; # stringify objects
+        $plac = "\n  with placeholders:  " . JSON->new->encode(\@placeholders);
 	}
 	else {
 		$plac = '';
diff --git a/lib/WebGUI/Session/Form.pm b/lib/WebGUI/Session/Form.pm
index d837a371f..07c58d81c 100644
--- a/lib/WebGUI/Session/Form.pm
+++ b/lib/WebGUI/Session/Form.pm
@@ -16,7 +16,7 @@ package WebGUI::Session::Form;
 
 use strict qw(vars subs);
 use WebGUI::HTML;
-use Encode;
+use Encode ();
 use base 'WebGUI::FormValidator';
 
 =head1 NAME