MT#63706 skip_locked for DELETE /api/subscriber/id #1

Change-Id: I1bbc4d72ca405a4b3935b27d37e503be777de291
(cherry picked from commit a5ac1e959e)
(cherry picked from commit 927f8f7146)

lib/NGCP/Panel/Utils/ProfilePackages.pm

@@ -228,6 +228,7 @@ sub catchup_contract_balances {
         contract_id => $contract->id,
         skip_locked => $skip_locked,
     );
+    return unless $contract;
     $now //= NGCP::Panel::Utils::DateTime::set_local_tz($contract->modify_timestamp);
     $old_package = $contract->profile_package if !exists $params{old_package};
     my $contract_create = NGCP::Panel::Utils::DateTime::set_local_tz($contract->create_timestamp // $contract->modify_timestamp);