diff --git a/packages/Webkul/BookingProduct/src/Resources/views/admin/catalog/products/accordians/booking.blade.php b/packages/Webkul/BookingProduct/src/Resources/views/admin/catalog/products/accordians/booking.blade.php
index eb6f0e536..102157927 100644
--- a/packages/Webkul/BookingProduct/src/Resources/views/admin/catalog/products/accordians/booking.blade.php
+++ b/packages/Webkul/BookingProduct/src/Resources/views/admin/catalog/products/accordians/booking.blade.php
@@ -61,7 +61,7 @@
                     <label class="required">{{ __('bookingproduct::app.admin.catalog.products.available-from') }}</label>
 
                     <datetime>
-                        <input type="text" v-validate="'required'" name="booking[available_from]" v-model="booking.available_from" class="control" data-vv-as="&quot;{{ __('bookingproduct::app.admin.catalog.products.available-from') }}&quot;"/>
+                        <input type="text" v-validate="'required|date_format:Y-m-d H:i:s'" name="booking[available_from]" v-model="booking.available_from" class="control" data-vv-as="&quot;{{ __('bookingproduct::app.admin.catalog.products.available-from') }}&quot;"/>
                     </datetime>
                     
                     <span class="control-error" v-if="errors.has('booking[available_from]')">@{{ errors.first('booking[available_from]') }}</span>
@@ -71,7 +71,7 @@
                     <label class="required">{{ __('bookingproduct::app.admin.catalog.products.available-to') }}</label>
 
                     <datetime>
-                        <input type="text" v-validate="'required'" name="booking[available_to]" v-model="booking.available_to" class="control" data-vv-as="&quot;{{ __('bookingproduct::app.admin.catalog.products.available-to') }}&quot;"/>
+                        <input type="text" v-validate="'required|date_format:Y-m-d H:i:s'" name="booking[available_to]" v-model="booking.available_to" class="control" data-vv-as="&quot;{{ __('bookingproduct::app.admin.catalog.products.available-to') }}&quot;"/>
                     </datetime>
                     
                     <span class="control-error" v-if="errors.has('booking[available_to]')">@{{ errors.first('booking[available_to]') }}</span>
diff --git a/packages/Webkul/Product/src/Type/AbstractType.php b/packages/Webkul/Product/src/Type/AbstractType.php
index 3bc887ce2..fe5d4bb71 100644
--- a/packages/Webkul/Product/src/Type/AbstractType.php
+++ b/packages/Webkul/Product/src/Type/AbstractType.php
@@ -226,10 +226,12 @@ abstract class AbstractType
         $route = request()->route() ? request()->route()->getName() : "";
 
         if ($route != 'admin.catalog.products.massupdate') {
-            if  (isset($data['categories'])) {
-                $product->categories()->sync($data['categories']);
+            if  (! isset($data['categories'])) {
+                $data['categories'] = [];
             }
 
+            $product->categories()->sync($data['categories']);
+
             $product->up_sells()->sync($data['up_sell'] ?? []);
 
             $product->cross_sells()->sync($data['cross_sell'] ?? []);