diff --git a/app/Mail/InvoiceDataMail.php b/app/Mail/InvoiceDataMail.php
index 764d7fa..4fc64d7 100644
--- a/app/Mail/InvoiceDataMail.php
+++ b/app/Mail/InvoiceDataMail.php
@@ -51,9 +51,12 @@ class InvoiceDataMail extends Mailable
             $firstRecord = InvoiceDataValidation::orderBy('document_date', 'asc')->first();
             // $lastRecord = InvoiceDataValidation::orderBy('document_date', 'desc')->first();
 
-            if ($firstRecord) {
+            $startDate = null;
+            if ($firstRecord && $firstRecord->document_date != null && $firstRecord->document_date != '') {
                 $startDate = \Carbon\Carbon::parse($firstRecord->document_date)->startOfDay();
                 // $endDate = \Carbon\Carbon::parse($lastRecord->document_date)->endOfDay();
+            } else {
+                $startDate = now()->subDay()->setTime(10, 0, 0);
             }
             $endDate = now()->setTime(10, 0, 0);