diff --git a/app/Classes/Modules/PerfexCRM/Processors/CreatePerfexCRMInvoiceProcessor.php b/app/Classes/Modules/PerfexCRM/Processors/CreatePerfexCRMInvoiceProcessor.php
index e460455b..fdd7a618 100644
--- a/app/Classes/Modules/PerfexCRM/Processors/CreatePerfexCRMInvoiceProcessor.php
+++ b/app/Classes/Modules/PerfexCRM/Processors/CreatePerfexCRMInvoiceProcessor.php
@@ -15,6 +15,7 @@ use App\Classes\Modules\PerfexCRM\DataTransferObjects\InvoiceSingleItemPerfexCRM
 use App\Classes\ValueObjects\Constants\PerfexCRMProjectStatus;
 use App\Classes\ValueObjects\Constants\TransactionType;
 use Carbon\Carbon;
+use Illuminate\Support\Facades\Log;
 
 class CreatePerfexCRMInvoiceProcessor
 {
@@ -110,7 +111,19 @@ class CreatePerfexCRMInvoiceProcessor
         $allowedPaymentModes = [];
         $invoiceItems = [];
 
-        $email = $supplier->employees()->first()->email;
+        $firstSupplier = $supplier->employees()->first();
+        $email = null;
+        if ($firstSupplier) {
+            $email = $firstSupplier->email;
+            Log::error('CreatePerfexCRMInvoiceProcessor debug:'.$email);
+        } else {
+            $bookingMarking = $transaction->owner->marking;
+            $serviceTypeName = $transaction->owner->company->services()->where('id', $transaction->owner->service_id)->first()->name;
+            $projectName = 'Exchange | '.$serviceTypeName.' | '.$bookingMarking;
+            Log::error('CreatePerfexCRMInvoiceProcessor debug:');
+            Log::error('$projectName: '.$projectName);
+            return $email;
+        }
 
         $result = $this->convertsPerfexCRMLeadToCustomer->execute($email);
         if(isset($result->payload)){