diff --git a/lib/NGCP/Panel/Controller/API/CustomerContacts.pm b/lib/NGCP/Panel/Controller/API/CustomerContacts.pm
index 5d27a2a051..aed2a75953 100644
--- a/lib/NGCP/Panel/Controller/API/CustomerContacts.pm
+++ b/lib/NGCP/Panel/Controller/API/CustomerContacts.pm
@@ -70,10 +70,12 @@ sub GET :Allow {
     my $rows = $c->request->params->{rows} // 10;
     {
         my $contacts = $self->item_rs($c);
+        #todo - is it really necessary? move to item_rs?
+        $contacts = $contacts->search_rs({}, {prefetch => ['reseller']});
         (my $total_count, $contacts) = $self->paginate_order_collection($c, $contacts);
         my (@embedded, @links);
         my $form = $self->get_form($c);
-        for my $contact ($contacts->search({}, {prefetch => ['reseller']})->all) {
+        for my $contact ($contacts->all) {
             push @embedded, $self->hal_from_contact($c, $contact, $form);
             push @links, Data::HAL::Link->new(
                 relation => 'ngcp:'.$self->resource_name,
diff --git a/lib/NGCP/Panel/Controller/API/InvoiceTemplates.pm b/lib/NGCP/Panel/Controller/API/InvoiceTemplates.pm
index aeacb0316f..a25f7176f5 100644
--- a/lib/NGCP/Panel/Controller/API/InvoiceTemplates.pm
+++ b/lib/NGCP/Panel/Controller/API/InvoiceTemplates.pm
@@ -69,10 +69,12 @@ sub GET :Allow {
     my $rows = $c->request->params->{rows} // 10;
     {
         my $items = $self->item_rs($c);
+        #todo - is it really necessary? move to item_rs?
+        $items = $items->search_rs({}, {prefetch => ['reseller']});
         (my $total_count, $items) = $self->paginate_order_collection($c, $items);
         my (@embedded, @links);
         my $form = $self->get_form($c);
-        for my $item ($items->search({}, {prefetch => ['reseller']})->all) {
+        for my $item ($items->all) {
             push @embedded, $self->hal_from_item($c, $item, $form);
             push @links, Data::HAL::Link->new(
                 relation => 'ngcp:'.$self->resource_name,
diff --git a/lib/NGCP/Panel/Controller/API/NcosLevels.pm b/lib/NGCP/Panel/Controller/API/NcosLevels.pm
index 2465eabc8c..4892612c9a 100644
--- a/lib/NGCP/Panel/Controller/API/NcosLevels.pm
+++ b/lib/NGCP/Panel/Controller/API/NcosLevels.pm
@@ -69,10 +69,12 @@ sub GET :Allow {
     my $rows = $c->request->params->{rows} // 10;
     {
         my $items = $self->item_rs($c);
+        #todo - is it really necessary? move to item_rs?
+        $items = $items->search_rs({}, {prefetch => ['reseller']});
         (my $total_count, $items) = $self->paginate_order_collection($c, $items);
         my (@embedded, @links);
         my $form = $self->get_form($c);
-        for my $item ($items->search({}, {prefetch => ['reseller']})->all) {
+        for my $item ($items->all) {
             push @embedded, $self->hal_from_item($c, $item, $form);
             push @links, Data::HAL::Link->new(
                 relation => 'ngcp:'.$self->resource_name,
diff --git a/lib/NGCP/Panel/Controller/API/SubscriberProfileSets.pm b/lib/NGCP/Panel/Controller/API/SubscriberProfileSets.pm
index 03e17c4f3a..fcef7c1bd0 100644
--- a/lib/NGCP/Panel/Controller/API/SubscriberProfileSets.pm
+++ b/lib/NGCP/Panel/Controller/API/SubscriberProfileSets.pm
@@ -69,10 +69,12 @@ sub GET :Allow {
     my $rows = $c->request->params->{rows} // 10;
     {
         my $items = $self->item_rs($c);
+        #todo - is it really necessary? move to item_rs?
+        $items = $items->search_rs({}, {prefetch => ['reseller']});
         (my $total_count, $items) = $self->paginate_order_collection($c, $items);
         my (@embedded, @links);
         my $form = $self->get_form($c);
-        for my $item ($items->search({}, {prefetch => ['reseller']})->all) {
+        for my $item ($items->all) {
             push @embedded, $self->hal_from_item($c, $item, $form);
             push @links, Data::HAL::Link->new(
                 relation => 'ngcp:'.$self->resource_name,
diff --git a/lib/NGCP/Panel/Controller/API/SystemContacts.pm b/lib/NGCP/Panel/Controller/API/SystemContacts.pm
index 2c49ccaa2e..dee2773e2e 100644
--- a/lib/NGCP/Panel/Controller/API/SystemContacts.pm
+++ b/lib/NGCP/Panel/Controller/API/SystemContacts.pm
@@ -59,10 +59,12 @@ sub GET :Allow {
     my $rows = $c->request->params->{rows} // 10;
     {
         my $contacts = $self->item_rs($c);
+        #todo - is it really necessary? move to item_rs?
+        $contacts = $contacts->search_rs({}, {prefetch => ['reseller']});
         (my $total_count, $contacts) = $self->paginate_order_collection($c, $contacts);
         my (@embedded, @links);
         my $form = $self->get_form($c);
-        for my $contact ($contacts->search({}, {prefetch => ['reseller']})->all) {
+        for my $contact ($contacts->all) {
             push @embedded, $self->hal_from_contact($c, $contact, $form);
             push @links, Data::HAL::Link->new(
                 relation => 'ngcp:'.$self->resource_name,
diff --git a/lib/NGCP/Panel/Controller/API/Vouchers.pm b/lib/NGCP/Panel/Controller/API/Vouchers.pm
index 0eb11c7b1b..e184a403b3 100644
--- a/lib/NGCP/Panel/Controller/API/Vouchers.pm
+++ b/lib/NGCP/Panel/Controller/API/Vouchers.pm
@@ -69,10 +69,12 @@ sub GET :Allow {
     my $rows = $c->request->params->{rows} // 10;
     {
         my $items = $self->item_rs($c);
+        #todo - is it really necessary? move to item_rs?
+        $items = $items->search_rs({}, {prefetch => ['reseller']});
         (my $total_count, $items) = $self->paginate_order_collection($c, $items);
         my (@embedded, @links);
         my $form = $self->get_form($c);
-        for my $item ($items->search({}, {prefetch => ['reseller']})->all) {
+        for my $item ($items->all) {
             push @embedded, $self->hal_from_item($c, $item, $form);
             push @links, Data::HAL::Link->new(
                 relation => 'ngcp:'.$self->resource_name,