diff --git a/CHANGELOG.md b/CHANGELOG.md
index 3d3090b..3296c65 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,6 @@
+## 2022-06-14 4.6.6
+* Added handling of fatal errors when working with abandoned carts
+
 ## 2022-06-08 4.6.5
 * Transferring WC meta fields to standard CRM order and customer fields
 
diff --git a/VERSION b/VERSION
index d9167bb..b3a44c1 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-4.6.5
\ No newline at end of file
+4.6.6
\ No newline at end of file
diff --git a/src/include/class-wc-retailcrm-base.php b/src/include/class-wc-retailcrm-base.php
index 4cd4be9..fcb6506 100644
--- a/src/include/class-wc-retailcrm-base.php
+++ b/src/include/class-wc-retailcrm-base.php
@@ -408,23 +408,27 @@ if (!class_exists('WC_Retailcrm_Base')) {
         {
             global $woocommerce;
 
-            $site = $this->apiClient->getSingleSiteForKey();
-            $cartItems = $woocommerce->cart->get_cart();
-            $customerId = $woocommerce->customer->get_id();
+            try {
+                $site = $this->apiClient->getSingleSiteForKey();
+                $cartItems = $woocommerce->cart->get_cart();
+                $customerId = $woocommerce->customer->get_id();
 
-            if (empty($site)) {
-                writeBaseLogs('Error with CRM credentials: need an valid apiKey assigned to one certain site');
-            } elseif (empty($customerId)) {
-                writeBaseLogs('Abandoned carts work only for registered customers');
-            } else {
-                $isCartExist = $this->cart->isCartExist($customerId, $site);
-                $isSuccessful = $this->cart->processCart($customerId, $cartItems, $site, $isCartExist);
-
-                if ($isSuccessful) {
-                    writeBaseLogs('Cart for customer ID: ' . $customerId . ' processed. Hook: ' . current_filter());
+                if (empty($site)) {
+                    writeBaseLogs('Error with CRM credentials: need an valid apiKey assigned to one certain site');
+                } elseif (empty($customerId)) {
+                    writeBaseLogs('Abandoned carts work only for registered customers');
                 } else {
-                    writeBaseLogs('Cart for customer ID: ' . $customerId . ' not processed. Hook: ' . current_filter());
+                    $isCartExist = $this->cart->isCartExist($customerId, $site);
+                    $isSuccessful = $this->cart->processCart($customerId, $cartItems, $site, $isCartExist);
+
+                    if ($isSuccessful) {
+                        writeBaseLogs('Cart for customer ID: ' . $customerId . ' processed. Hook: ' . current_filter());
+                    } else {
+                        writeBaseLogs('Cart for customer ID: ' . $customerId . ' not processed. Hook: ' . current_filter());
+                    }
                 }
+            } catch (Throwable $exception) {
+                writeBaseLogs($exception->getMessage());
             }
         }
 
@@ -443,22 +447,26 @@ if (!class_exists('WC_Retailcrm_Base')) {
         {
             global $woocommerce;
 
-            $site = $this->apiClient->getSingleSiteForKey();
-            $customerId = $woocommerce->customer->get_id();
+            try {
+                $site = $this->apiClient->getSingleSiteForKey();
+                $customerId = $woocommerce->customer->get_id();
 
-            if (empty($site)) {
-                writeBaseLogs('Error with CRM credentials: need an valid apiKey assigned to one certain site');
-            } elseif (empty($customerId)) {
-                writeBaseLogs('Abandoned carts work only for registered customers');
-            } else {
-                $isCartExist = $this->cart->isCartExist($customerId, $site);
-                $isSuccessful = $this->cart->clearCart($customerId, $site, $isCartExist);
+                if (empty($site)) {
+                    writeBaseLogs('Error with CRM credentials: need an valid apiKey assigned to one certain site');
+                } elseif (empty($customerId)) {
+                    writeBaseLogs('Abandoned carts work only for registered customers');
+                } else {
+                    $isCartExist = $this->cart->isCartExist($customerId, $site);
+                    $isSuccessful = $this->cart->clearCart($customerId, $site, $isCartExist);
 
-                if ($isSuccessful) {
-                    writeBaseLogs('Cart for customer ID: ' . $customerId . ' cleared. Hook: ' . current_filter());
-                } elseif ($isCartExist) {
-                    writeBaseLogs('Cart for customer ID: ' . $customerId . ' not cleared. Hook: ' . current_filter());
+                    if ($isSuccessful) {
+                        writeBaseLogs('Cart for customer ID: ' . $customerId . ' cleared. Hook: ' . current_filter());
+                    } elseif ($isCartExist) {
+                        writeBaseLogs('Cart for customer ID: ' . $customerId . ' not cleared. Hook: ' . current_filter());
+                    }
                 }
+            } catch (Throwable $exception) {
+                writeBaseLogs($exception->getMessage());
             }
         }
 
diff --git a/src/readme.txt b/src/readme.txt
index dd46a75..76f9a26 100644
--- a/src/readme.txt
+++ b/src/readme.txt
@@ -5,7 +5,7 @@ Tags: Интеграция, Simla.com, simla
 Requires PHP: 7.0
 Requires at least: 5.3
 Tested up to: 6.0
-Stable tag: 4.6.5
+Stable tag: 4.6.6
 License: GPLv1 or later
 License URI: http://www.gnu.org/licenses/gpl-1.0.html
 
@@ -82,6 +82,9 @@ Asegúrate de tener una clave API específica para cada tienda. Las siguientes i
 
 
 == Changelog ==
+= 4.6.6 =
+* Added handling of fatal errors when working with abandoned carts
+
 = 4.6.5 =
 * Transferring WC meta fields to standard CRM order and customer fields
 
diff --git a/src/retailcrm.php b/src/retailcrm.php
index bebd20c..9894602 100644
--- a/src/retailcrm.php
+++ b/src/retailcrm.php
@@ -5,7 +5,7 @@
  * Description: Integration plugin for WooCommerce & Simla.com
  * Author: RetailDriver LLC
  * Author URI: http://retailcrm.pro/
- * Version: 4.6.5
+ * Version: 4.6.6
  * Tested up to: 6.0
  * WC requires at least: 5.4
  * WC tested up to: 6.9
diff --git a/src/uninstall.php b/src/uninstall.php
index 67f2a1a..5447e0c 100644
--- a/src/uninstall.php
+++ b/src/uninstall.php
@@ -16,7 +16,7 @@
  *
  * @link       https://wordpress.org/plugins/woo-retailcrm/
  *
- * @version    4.6.5
+ * @version    4.6.6
  *
  * @package    RetailCRM
  */