diff --git a/packages/Webkul/BookingProduct/src/Database/Migrations/2020_03_23_201431_alter_booking_products_table.php b/packages/Webkul/BookingProduct/src/Database/Migrations/2020_03_23_201431_alter_booking_products_table.php
new file mode 100644
index 000000000..170ae5796
--- /dev/null
+++ b/packages/Webkul/BookingProduct/src/Database/Migrations/2020_03_23_201431_alter_booking_products_table.php
@@ -0,0 +1,32 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+class AlterBookingProductsTable extends Migration
+{
+    /**
+     * Run the migrations.
+     *
+     * @return void
+     */
+    public function up()
+    {
+        Schema::table('booking_products', function (Blueprint $table) {
+            $table->datetime('available_from')->change();
+
+            $table->datetime('available_to')->change();
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     *
+     * @return void
+     */
+    public function down()
+    {
+        //
+    }
+}
diff --git a/packages/Webkul/BookingProduct/src/Helpers/RentalSlot.php b/packages/Webkul/BookingProduct/src/Helpers/RentalSlot.php
index 352c30024..a6c82a26f 100644
--- a/packages/Webkul/BookingProduct/src/Helpers/RentalSlot.php
+++ b/packages/Webkul/BookingProduct/src/Helpers/RentalSlot.php
@@ -37,7 +37,7 @@ class RentalSlot extends Booking
 
         $timeDurations = $bookingProductSlot->same_slot_all_days
                          ? $bookingProductSlot->slots
-                         : $bookingProductSlot->slots[$requestedDate->format('w')];
+                         : $bookingProductSlot->slots[$requestedDate->format('w')] ?? [];
 
         if ($requestedDate < $availableFrom
             || $requestedDate > $availableTo