diff --git a/css/style.css b/css/style.css
index 383dfe8..6313e94 100644
--- a/css/style.css
+++ b/css/style.css
@@ -429,6 +429,20 @@ position: relative;
 ul.mep-more-date-lists {
     margin: 10px;
 }
+button.mep-cat-control {
+    background: #fa6630;
+    padding: 10px 20px;
+    font-size: 16px;
+    margin-right: 5px;
+    margin-bottom: 10px;
+    border: 0;
+    cursor:pointer;
+    color: #fff;
+}
+button.mep-cat-control.mixitup-control-active {
+    background: #ddd;
+    color: #000;
+}
 /******Responsive*******/
 @media only screen and (max-width: 1199px) {
     /********Default Theme***********/
diff --git a/inc/mep_extra_price.php b/inc/mep_extra_price.php
index 11fac52..dea9195 100644
--- a/inc/mep_extra_price.php
+++ b/inc/mep_extra_price.php
@@ -145,7 +145,7 @@ add_action( 'woocommerce_before_calculate_totals', 'mep_add_custom_price',90,1 )
 function mep_add_custom_price( $cart_object ) {
 
 foreach ( $cart_object->cart_contents as $key => $value ) {
-$eid = $value['event_id'];
+$eid = array_key_exists('event_id', $value) ? $value['event_id'] : 0; //$value['event_id'];
 if (get_post_type($eid) == 'mep_events') {      
             $cp = $value['event_tp'];
             $value['data']->set_price($cp);
@@ -162,9 +162,9 @@ if (get_post_type($eid) == 'mep_events') {
 
 
 function mep_display_custom_fields_text_cart( $item_data, $cart_item ) {
-$mep_events_extra_prices = $cart_item['event_extra_option'];
+$mep_events_extra_prices = array_key_exists('event_extra_option', $cart_item) ? $cart_item['event_extra_option'] : array(); //$cart_item['event_extra_option'];
 
-$eid                    = $cart_item['event_id'];
+$eid                    = array_key_exists('event_id', $cart_item) ? $cart_item['event_id'] : 0; //$cart_item['event_id'];
 
 if (get_post_type($eid) == 'mep_events') { 
   $user_info                  = $cart_item['event_user_info'];
@@ -286,10 +286,11 @@ function mep_checkout_validation( $posted ) {
   global $woocommerce;
   $items    = $woocommerce->cart->get_cart();
   foreach($items as $item => $values) { 
-    $event_id              = $values['event_id'];
+    $event_id              = array_key_exists('event_id', $values) ? $values['event_id'] : 0; // $values['event_id'];
+    if (get_post_type($event_id) == 'mep_events') {
     $total_seat = mep_event_total_seat($event_id,'total');
-		$total_resv = mep_event_total_seat($event_id,'resv');
-		$total_sold = mep_ticket_sold($event_id);
+	$total_resv = mep_event_total_seat($event_id,'resv');
+	$total_sold = mep_ticket_sold($event_id);
     $total_left = $total_seat - ($total_sold + $total_resv);
     ;
     $event_validate_info        = $values['event_validate_info'] ? $values['event_validate_info'] : array();  
@@ -308,6 +309,7 @@ function mep_checkout_validation( $posted ) {
     }
     
   }
+  }
 }
 
 
@@ -321,7 +323,8 @@ function mep_checkout_validation( $posted ) {
 
 function mep_add_custom_fields_text_to_order_items( $item, $cart_item_key, $values, $order ) {
 
-        $eid                    = $values['event_id'];
+        $eid                    = array_key_exists('event_id', $values) ? $values['event_id'] : 0; //$values['event_id'];
+        
         if (get_post_type($eid) == 'mep_events') { 
         $mep_events_extra_prices = $values['event_extra_option'];
         if(isset($values['event_ticket_type'])){
diff --git a/inc/mep_functions.php b/inc/mep_functions.php
index 81790af..caba5bd 100755
--- a/inc/mep_functions.php
+++ b/inc/mep_functions.php
@@ -2011,9 +2011,9 @@ function mep_get_all_tax_list($current_tax=null){
     if(is_array($mep_event_ticket_type) && sizeof($mep_event_ticket_type) > 0){
     foreach ( $mep_event_ticket_type as $field ) {
         if($type == 'total'){
-          $total_name = array_key_exists('option_qty_t', $field) ? $field['option_qty_t'] : 0;
+          $total_name = array_key_exists('option_qty_t', $field) ? (int) $field['option_qty_t'] : 0;
         }elseif($type == 'resv'){
-          $total_name = array_key_exists('option_rsv_t', $field) ? $field['option_rsv_t'] : 0;
+          $total_name = array_key_exists('option_rsv_t', $field) ? (int) $field['option_rsv_t'] : 0;
         }
       $total = $total_name + $total;
     }
diff --git a/inc/mep_query.php b/inc/mep_query.php
index 255a462..e4cfddf 100644
--- a/inc/mep_query.php
+++ b/inc/mep_query.php
@@ -5,7 +5,7 @@ function mep_event_query($type,$show,$sort='',$cat='',$org='',$evnt_type = 'upco
     $paged              = get_query_var("paged") ? get_query_var("paged") : 1;
     $etype              = $evnt_type == 'expired' ? '<' : '>';
     
-    if($type='all'){
+    if($type=='all'){
                 $args = array(
                     'post_type'         => array('mep_events'),
                     'paged'             => $paged,
diff --git a/inc/template-prts/event_add_cart.php b/inc/template-prts/event_add_cart.php
index e7a8b98..7ed1af5 100755
--- a/inc/template-prts/event_add_cart.php
+++ b/inc/template-prts/event_add_cart.php
@@ -144,7 +144,7 @@ add_action('mep_add_to_cart_list','mep_get_event_reg_btn_list');
 // Get Event Registration Button
 function mep_get_event_reg_btn_list(){
     global $post,$event_meta;
-    
+    $total_book = 0;
     $post_id                    = $post->ID;
     $event_meta                 = get_post_custom($post_id);
     $event_expire_on 			= mep_get_option( 'mep_event_expire_on_datetimes', 'general_setting_sec', 'event_start_datetime');
diff --git a/readme.txt b/readme.txt
index 73d119b..d4d04c0 100644
--- a/readme.txt
+++ b/readme.txt
@@ -403,4 +403,7 @@ Schema Rich Text Added, Now it ca be easily add the rich text schema text.
 PHP Warning removed
 Added some Action & Filter Hooks
 Pagination Styling issue fixed
+jQuery Filter Tab Button Styling issue Fixed
+Event Shortcode Filter issue fixed
+WooCommerce Product Cart warning issue fixed
 24 March 2020*