diff --git a/lib/NGCP/Panel/Controller/Invoice.pm b/lib/NGCP/Panel/Controller/Invoice.pm
index 88fdce7510..5144ad6293 100644
--- a/lib/NGCP/Panel/Controller/Invoice.pm
+++ b/lib/NGCP/Panel/Controller/Invoice.pm
@@ -17,7 +17,7 @@ use NGCP::Panel::Utils::Message;
 use NGCP::Panel::Form::Invoice::Template;
 use NGCP::Panel::Form::Invoice::Generate;
 use NGCP::Panel::Form::Invoice::Send;
-#use NGCP::Panel::Form::Invoice::Basic;
+use NGCP::Panel::Form::Invoice::Basic;
 use NGCP::Panel::Model::DB::InvoiceTemplate;
 use NGCP::Panel::Utils::InvoiceTemplate;
 
diff --git a/lib/NGCP/Panel/Form/Invoice/Basic.pm b/lib/NGCP/Panel/Form/Invoice/Basic.pm
index 43a178b8e4..6e190231c2 100644
--- a/lib/NGCP/Panel/Form/Invoice/Basic.pm
+++ b/lib/NGCP/Panel/Form/Invoice/Basic.pm
@@ -40,7 +40,7 @@ has_field 'save' => (
 
 has_field 'client_contract_id' => (
     type => 'Hidden',
-    required => 1,
+    required => 0,
 );
 
 has_block 'fields' => (
diff --git a/share/templates/invoice/list.tt b/share/templates/invoice/list.tt
index e473e444ea..35e2ecd9ed 100644
--- a/share/templates/invoice/list.tt
+++ b/share/templates/invoice/list.tt
@@ -86,6 +86,7 @@ function sendInvoiceForm(invoice_id){
     );
 }
 function deleteInvoice(invoice_id,table_name){
+    //alert('table_name='+table_name+';');
     fetch_into('messages',
         '[%c.uri_for_action("/invoice/invoice_delete", [ provider.id ] )%]',
         'invoice_id='+invoice_id,
@@ -199,7 +200,7 @@ function deleteInvoice(invoice_id,table_name){
         },
         { 
             name = c.loc('Delete'), 
-            uri = "javascript:deleteInvoice(\\''+full.contract_balances_invoice_id+'\\',\\'" _ helper.identifier _ "\\');void(0);", 
+            uri = "javascript:deleteInvoice(\\''+full.contract_balances_invoice_id+'\\',\\'" _ helper.identifier _ "_table\\');void(0);", 
             class = 'btn-small btn-secondary', 
             icon = 'icon-trash', 
             attributes= ' cancel-hide="1"'