app/Console/Commands/SendInvoiceReport.php

@@ -352,6 +352,16 @@ class SendInvoiceReport extends Command
                         ->toArray();
                 }
 
+                // Prevent empty mails
+                if (
+                    empty($filteredSerialData) &&
+                    empty($filteredMaterialData) &&
+                    empty($filteredBundleData)
+                ) {
+                    $this->warn("Skipping empty mail for rule {$rule->id}");
+                    continue;
+                }
+
                 \Mail::to($toEmails)
                     ->cc($ccEmails)
                     ->send(new test(