diff --git a/README.md b/README.md
index 45f16371..ebc19dbf 100644
--- a/README.md
+++ b/README.md
@@ -4,7 +4,7 @@
 - Tags: email, marketing, signup, newsletter, widget, smtp, woocommerce, contact form 7
 - Requires at least: 4.4
 - Tested up to: 6.0.1
-- Stable tag: 5.2.24
+- Stable tag: 5.2.25
 - Requires PHP: 5.6
 - License: GPLv2 or later
 - License URI: http://www.gnu.org/licenses/gpl-2.0.html
@@ -205,7 +205,10 @@ find vendor/ -type d -name ".git" -exec rm -rf {} \;
 7. Configure abandoned cart notifications for WooCommerce
 
 ## Changelog
-##### 5.2.24
+##### 5.2.25
+* Removed var_dump from the code because off error
+
+* ##### 5.2.24
 * Fix bug with widget for WP 6+ version
 
 ##### 5.2.23
diff --git a/readme.txt b/readme.txt
index 00d2015b..bb4e0906 100644
--- a/readme.txt
+++ b/readme.txt
@@ -196,6 +196,9 @@ find vendor/ -type d -name ".git" -exec rm -rf {} \;
 7. Configure abandoned cart notifications for WooCommerce
 
 == Upgrade notice ==
+= 5.2.25 =
+* Removed var_dump from the code because off error
+
 = 5.2.24 =
 * Fix bug with widget for WP 6+ version
 
@@ -235,6 +238,9 @@ find vendor/ -type d -name ".git" -exec rm -rf {} \;
 * Removed Bootstrap dependency
 
 == Changelog ==
+= 5.2.25 =
+* Removed var_dump from the code because off error
+
 = 5.2.24 =
 * Fix bug with widget for WP 6+ version
 
diff --git a/src/includes/Mailjet.php b/src/includes/Mailjet.php
index 066f5579..16818c62 100644
--- a/src/includes/Mailjet.php
+++ b/src/includes/Mailjet.php
@@ -62,7 +62,7 @@ public function __construct()
         if (\defined('MAILJET_VERSION')) {
             $this->version = MAILJET_VERSION;
         } else {
-            $this->version = '5.2.24';
+            $this->version = '5.2.25';
         }
         $this->plugin_name = 'mailjet';
         $this->load_dependencies();
diff --git a/src/includes/SettingsPages/ContactForm7Settings.php b/src/includes/SettingsPages/ContactForm7Settings.php
index 0834c04d..1061b6c9 100644
--- a/src/includes/SettingsPages/ContactForm7Settings.php
+++ b/src/includes/SettingsPages/ContactForm7Settings.php
@@ -12,13 +12,13 @@
  */
 class ContactForm7Settings
 {
-    const MAILJET_CHECKBOX = 'mailjet-opt-in';
+    public const MAILJET_CHECKBOX = 'mailjet-opt-in';
 
     /**
      * @param $contactForm
      * @return false
      */
-    public function sendConfirmationEmail($contactForm)
+    public function sendConfirmationEmail($contactForm): bool
     {
         $locale = Mailjeti18n::getLocale();
         $formdata = \false;
@@ -31,24 +31,24 @@ public function sendConfirmationEmail($contactForm)
             }
         }
         if (!$formdata) {
-            return \false;
+            return false;
         }
         $invalidFields = $submission->get_invalid_fields();
         if (!empty($invalidFields)) {
-            return \false;
+            return false;
         }
         $mailjetCheckbox = $formdata[self::MAILJET_CHECKBOX];
         if ($mailjetCheckbox[0] != '') {
-            $cf7Email = \trim(\stripslashes(get_option('cf7_email')), '[]');
+            $cf7Email = trim(stripslashes(get_option('cf7_email')), '[]');
 
             if (!isset($formdata[$cf7Email])) {
                 return false;
             }
             $email = $formdata[$cf7Email];
-            $cf7name = \stripslashes(get_option('cf7_fromname', ''));
+            $cf7name = stripslashes(get_option('cf7_fromname', ''));
             $matches = array();
             $data = array();
-            \preg_match_all('/\\[(.*?)\\]/', $cf7name, $matches);
+            preg_match_all('/\\[(.*?)\\]/', $cf7name, $matches);
             if (!empty($matches[1])) {
                 foreach ($matches[1] as $match) {
                     if (isset($formdata[$match])) {
@@ -56,15 +56,15 @@ public function sendConfirmationEmail($contactForm)
                     }
                 }
             }
-            $newphrase = \str_replace($matches[0], $data, $cf7name);
+            $newphrase = str_replace($matches[0], $data, $cf7name);
             $mailjetCF7List = get_option('mailjet_cf7_list');
-            $params = \http_build_query(array('cf7list' => $mailjetCF7List, 'email' => $email, 'prop' => $newphrase));
-            $wpUrl = \sprintf('<a href="%s" target="_blank">%s</a>', get_home_url(), get_home_url());
-            $subscriptionTemplate = apply_filters('mailjet_confirmation_email_filename', \dirname(\dirname(\dirname(__FILE__))) . '/templates/confirm-subscription-email.php');
-            $message = \file_get_contents($subscriptionTemplate);
-            $emailParams = array('__EMAIL_TITLE__' => Mailjeti18n::getTranslationsFromFile($locale, 'Please confirm your subscription'), '__EMAIL_HEADER__' => \sprintf(__(Mailjeti18n::getTranslationsFromFile($locale, 'To receive newsletters from %s please confirm your subscription by clicking the following button:'), 'mailjet-for-wordpress'), $wpUrl), '__WP_URL__' => $wpUrl, '__CONFIRM_URL__' => get_home_url() . '?' . $params . '&token=' . \sha1($params . MailjetSettings::getCryptoHash()), '__CLICK_HERE__' => Mailjeti18n::getTranslationsFromFile($locale, 'Yes, subscribe me to this list'), '__FROM_NAME__' => get_option('blogname'), '__IGNORE__' => Mailjeti18n::getTranslationsFromFile($locale, 'If you received this email by mistake or don\'t wish to subscribe anymore, simply ignore this message.'));
+            $params = http_build_query(array('cf7list' => $mailjetCF7List, 'email' => $email, 'prop' => $newphrase));
+            $wpUrl = sprintf('<a href="%s" target="_blank">%s</a>', get_home_url(), get_home_url());
+            $subscriptionTemplate = apply_filters('mailjet_confirmation_email_filename', dirname(__FILE__, 3) . '/templates/confirm-subscription-email.php');
+            $message = file_get_contents($subscriptionTemplate);
+            $emailParams = array('__EMAIL_TITLE__' => Mailjeti18n::getTranslationsFromFile($locale, 'Please confirm your subscription'), '__EMAIL_HEADER__' => sprintf(__(Mailjeti18n::getTranslationsFromFile($locale, 'To receive newsletters from %s please confirm your subscription by clicking the following button:'), 'mailjet-for-wordpress'), $wpUrl), '__WP_URL__' => $wpUrl, '__CONFIRM_URL__' => get_home_url() . '?' . $params . '&token=' . sha1($params . MailjetSettings::getCryptoHash()), '__CLICK_HERE__' => Mailjeti18n::getTranslationsFromFile($locale, 'Yes, subscribe me to this list'), '__FROM_NAME__' => get_option('blogname'), '__IGNORE__' => Mailjeti18n::getTranslationsFromFile($locale, 'If you received this email by mistake or don\'t wish to subscribe anymore, simply ignore this message.'));
             foreach ($emailParams as $key => $value) {
-                $message = \str_replace($key, $value, $message);
+                $message = str_replace($key, $value, $message);
             }
             $contact = array();
             $contact['Email'] = $email;
@@ -72,12 +72,11 @@ public function sendConfirmationEmail($contactForm)
                 $contact['Properties']['name'] = $formdata[$cf7name];
                 MailjetApi::createMailjetContactProperty('name');
             }
-            var_dump($contact, $mailjetCF7List);
             MailjetApi::syncMailjetContact($mailjetCF7List, $contact);
             $email_subject = Mailjeti18n::getTranslationsFromFile($locale, 'Subscription Confirmation');
             add_filter('wp_mail_content_type', array(SubscriptionOptionsSettings::getInstance(), 'set_html_content_type'));
             wp_mail($email, $email_subject, $message, array('From: ' . get_option('blogname') . ' <' . get_option('admin_email') . '>'));
         }
-        return \false;
+        return false;
     }
 }
diff --git a/wp-mailjet.php b/wp-mailjet.php
index e4b05230..b98ab53f 100755
--- a/wp-mailjet.php
+++ b/wp-mailjet.php
@@ -14,7 +14,7 @@
  * Plugin Name:       Mailjet for WordPress
  * Plugin URI:        https://www.mailjet.com/partners/wordpress/
  * Description:       The Best WordPress Plugin For Email Newsletters.
- * Version:           5.2.24
+ * Version:           5.2.25
  * Tested up to:      6.0.1
  * Author:            Mailjet SAS
  * Author URI:        http://mailjet.com
@@ -55,7 +55,7 @@
 /**
  * Mailjet plugin version.
  */
-define('MAILJET_VERSION', '5.2.24');
+define('MAILJET_VERSION', '5.2.25');
 
 /**
  * Mailjet Plugid dir.