diff --git a/routes/web.php b/routes/web.php
index 79f15462..1d48167d 100644
--- a/routes/web.php
+++ b/routes/web.php
@@ -484,8 +484,6 @@ Route::get('/payments/manual', function(){
     echo '</table>';
 });
 
-
-
 Route::get('/invoice/fix', function(){
 
     set_time_limit(14400);
@@ -522,6 +520,13 @@ Route::get('/invoice/fix', function(){
                     $deletedInvoice->bill_no = $bill_no . '-deleted';
                     $deletedInvoice->save();
 
+                    $existing_invoice_bill_no = Transaction::where('bill_no', $bill_no)->first();
+
+                    if ($existing_invoice_bill_no) {
+                        Log::channel('regenerateInvoice')->info('Delete existing bill_no: ' . json_encode($existing_invoice_bill_no));
+                        $existing_invoice_bill_no->forceDelete();
+                    }
+
                     (App()->make(CreateInvoiceTransactionProcessorWithInvoiceNo::class))->execute($booking, $bill_no);
                     dump('regenerated invoice. Booking Marking - ' . $booking->marking . '. Bill_no - ' . $bill_no . '. Old bill_no - ' . $deletedInvoice->bill_no);
                     Log::channel('regenerateInvoice')->info('regenerated invoice. Booking Marking - ' . $booking->marking . '. Bill_no - ' . $bill_no . '. Old bill_no - ' . $deletedInvoice->bill_no);