diff --git a/upload/admin/controller/report/statistics.php b/upload/admin/controller/report/statistics.php
index 1e913d0a47f..5fc2e21b807 100644
--- a/upload/admin/controller/report/statistics.php
+++ b/upload/admin/controller/report/statistics.php
@@ -91,7 +91,7 @@ public function orderSale(): void {
 			$this->load->model('report/statistics');
 			$this->load->model('sale/order');
 
-			$this->model_report_statistics->editValue('order_sale', $this->model_sale_order->getTotalSales(['filter_order_status' => implode(',', array_merge($this->config->get('config_complete_status'), $this->config->get('config_processing_status')))]));
+			$this->model_report_statistics->editValue('order_sale', $this->model_sale_order->getTotalSales(['filter_order_status' => implode(',', array_merge((array)$this->config->get('config_complete_status'), (array)$this->config->get('config_processing_status')))]));
 
 			$json['success'] = $this->language->get('text_success');
 		}
@@ -145,7 +145,7 @@ public function orderComplete(): void {
 			$this->load->model('report/statistics');
 			$this->load->model('sale/order');
 
-			$this->model_report_statistics->editValue('order_complete', $this->model_sale_order->getTotalOrders(['filter_order_status' => implode(',', $this->config->get('config_complete_status'))]));
+			$this->model_report_statistics->editValue('order_complete', $this->model_sale_order->getTotalOrders(['filter_order_status' => implode(',', (array)$this->config->get('config_complete_status'))]));
 
 			$json['success'] = $this->language->get('text_success');
 		}
@@ -177,7 +177,7 @@ public function orderOther(): void {
 			$results = $this->model_localisation_order_status->getOrderStatuses();
 
 			foreach ($results as $result) {
-				if (!in_array($result['order_status_id'], array_merge($this->config->get('config_complete_status'), $this->config->get('config_processing_status')))) {
+				if (!in_array($result['order_status_id'], array_merge((array)$this->config->get('config_complete_status'), (array)$this->config->get('config_processing_status')))) {
 					$order_status_data[] = $result['order_status_id'];
 				}
 			}
diff --git a/upload/admin/model/marketing/marketing.php b/upload/admin/model/marketing/marketing.php
index 7fcd5ecad6c..607b8a629da 100644
--- a/upload/admin/model/marketing/marketing.php
+++ b/upload/admin/model/marketing/marketing.php
@@ -80,7 +80,7 @@ public function getMarketingByCode(string $code): array {
 	public function getMarketings(array $data = []): array {
 		$implode = [];
 
-		$order_statuses = $this->config->get('config_complete_status');
+		$order_statuses = (array)$this->config->get('config_complete_status');
 
 		foreach ($order_statuses as $order_status_id) {
 			$implode[] = "`o`.`order_status_id` = '" . (int)$order_status_id . "'";
diff --git a/upload/admin/model/sale/order.php b/upload/admin/model/sale/order.php
index 181303f48bf..ec96f8599ef 100644
--- a/upload/admin/model/sale/order.php
+++ b/upload/admin/model/sale/order.php
@@ -510,7 +510,7 @@ public function getTotalOrdersByProcessingStatus(): int {
 	public function getTotalOrdersByCompleteStatus(): int {
 		$implode = [];
 
-		$order_statuses = $this->config->get('config_complete_status');
+		$order_statuses = (array)$this->config->get('config_complete_status');
 
 		foreach ($order_statuses as $order_status_id) {
 			$implode[] = "`order_status_id` = '" . (int)$order_status_id . "'";
diff --git a/upload/catalog/controller/account/affiliate.php b/upload/catalog/controller/account/affiliate.php
index 551642e7822..902d03f42a9 100644
--- a/upload/catalog/controller/account/affiliate.php
+++ b/upload/catalog/controller/account/affiliate.php
@@ -141,7 +141,7 @@ public function index(): void {
 		if (!$affiliate_info && $this->config->get('config_affiliate_id')) {
 			$this->load->model('catalog/information');
 
-			$information_info = $this->model_catalog_information->getInformation($this->config->get('config_affiliate_id'));
+			$information_info = $this->model_catalog_information->getInformation((int)$this->config->get('config_affiliate_id'));
 
 			if ($information_info) {
 				$data['text_agree'] = sprintf($this->language->get('text_agree'), $this->url->link('information/information.info', 'language=' . $this->config->get('config_language') . '&information_id=' . $this->config->get('config_affiliate_id')), $information_info['title']);
@@ -244,7 +244,7 @@ public function save(): void {
 			if (!$affiliate_info) {
 				$this->load->model('catalog/information');
 
-				$information_info = $this->model_catalog_information->getInformation($this->config->get('config_affiliate_id'));
+				$information_info = $this->model_catalog_information->getInformation((int)$this->config->get('config_affiliate_id'));
 
 				if ($information_info && !$this->request->post['agree']) {
 					$json['error']['warning'] = sprintf($this->language->get('error_agree'), $information_info['title']);
diff --git a/upload/catalog/controller/account/register.php b/upload/catalog/controller/account/register.php
index 06c7c817c17..e64b111dffd 100644
--- a/upload/catalog/controller/account/register.php
+++ b/upload/catalog/controller/account/register.php
@@ -93,7 +93,7 @@ public function index(): void {
 
 		$this->load->model('catalog/information');
 
-		$information_info = $this->model_catalog_information->getInformation($this->config->get('config_account_id'));
+		$information_info = $this->model_catalog_information->getInformation((int)$this->config->get('config_account_id'));
 
 		if ($information_info) {
 			$data['text_agree'] = sprintf($this->language->get('text_agree'), $this->url->link('information/information.info', 'language=' . $this->config->get('config_language') . '&information_id=' . $this->config->get('config_account_id')), $information_info['title']);
@@ -218,7 +218,7 @@ public function register(): void {
 			// Agree to terms
 			$this->load->model('catalog/information');
 
-			$information_info = $this->model_catalog_information->getInformation($this->config->get('config_account_id'));
+			$information_info = $this->model_catalog_information->getInformation((int)$this->config->get('config_account_id'));
 
 			if ($information_info && !$this->request->post['agree']) {
 				$json['error']['warning'] = sprintf($this->language->get('error_agree'), $information_info['title']);
diff --git a/upload/catalog/controller/account/returns.php b/upload/catalog/controller/account/returns.php
index 2d78b28b210..b7a44ff7959 100644
--- a/upload/catalog/controller/account/returns.php
+++ b/upload/catalog/controller/account/returns.php
@@ -304,7 +304,7 @@ public function add(): void {
 
 		$this->load->model('catalog/information');
 
-		$information_info = $this->model_catalog_information->getInformation($this->config->get('config_return_id'));
+		$information_info = $this->model_catalog_information->getInformation((int)$this->config->get('config_return_id'));
 
 		if ($information_info) {
 			$data['text_agree'] = sprintf($this->language->get('text_agree'), $this->url->link('information/information.info', 'language=' . $this->config->get('config_language') . '&information_id=' . $this->config->get('config_return_id')), $information_info['title']);
@@ -405,7 +405,7 @@ public function save(): void {
 			if ($this->config->get('config_return_id')) {
 				$this->load->model('catalog/information');
 
-				$information_info = $this->model_catalog_information->getInformation($this->config->get('config_return_id'));
+				$information_info = $this->model_catalog_information->getInformation((int)$this->config->get('config_return_id'));
 
 				if ($information_info && !isset($this->request->post['agree'])) {
 					$json['error']['warning'] = sprintf($this->language->get('error_agree'), $information_info['title']);
diff --git a/upload/catalog/controller/checkout/payment_method.php b/upload/catalog/controller/checkout/payment_method.php
index e1e4138f998..4480fb72e68 100644
--- a/upload/catalog/controller/checkout/payment_method.php
+++ b/upload/catalog/controller/checkout/payment_method.php
@@ -28,7 +28,7 @@ public function index(): string {
 
 		$this->load->model('catalog/information');
 
-		$information_info = $this->model_catalog_information->getInformation($this->config->get('config_checkout_id'));
+		$information_info = $this->model_catalog_information->getInformation((int)$this->config->get('config_checkout_id'));
 
 		if ($information_info) {
 			$data['text_agree'] = sprintf($this->language->get('text_agree'), $this->url->link('information/information.info', 'language=' . $this->config->get('config_language') . '&information_id=' . $this->config->get('config_checkout_id')), $information_info['title']);
diff --git a/upload/catalog/controller/checkout/register.php b/upload/catalog/controller/checkout/register.php
index 668195918a2..8f6763dca9f 100644
--- a/upload/catalog/controller/checkout/register.php
+++ b/upload/catalog/controller/checkout/register.php
@@ -153,7 +153,7 @@ public function index(): string {
 
 		$this->load->model('catalog/information');
 
-		$information_info = $this->model_catalog_information->getInformation($this->config->get('config_account_id'));
+		$information_info = $this->model_catalog_information->getInformation((int)$this->config->get('config_account_id'));
 
 		if ($information_info) {
 			$data['text_agree'] = sprintf($this->language->get('text_agree'), $this->url->link('information/information.info', 'language=' . $this->config->get('config_language') . '&information_id=' . $this->config->get('config_account_id')), $information_info['title']);
@@ -382,7 +382,7 @@ public function save(): void {
 			if ($this->request->post['account']) {
 				$this->load->model('catalog/information');
 
-				$information_info = $this->model_catalog_information->getInformation($this->config->get('config_account_id'));
+				$information_info = $this->model_catalog_information->getInformation((int)$this->config->get('config_account_id'));
 
 				if ($information_info && !$this->request->post['agree']) {
 					$json['error']['warning'] = sprintf($this->language->get('error_agree'), $information_info['title']);
diff --git a/upload/catalog/controller/common/cookie.php b/upload/catalog/controller/common/cookie.php
index a6c6a614fd8..56b51d0ed68 100644
--- a/upload/catalog/controller/common/cookie.php
+++ b/upload/catalog/controller/common/cookie.php
@@ -13,7 +13,7 @@ public function index(): string {
 		if ($this->config->get('config_cookie_id') && !isset($this->request->cookie['policy'])) {
 			$this->load->model('catalog/information');
 
-			$information_info = $this->model_catalog_information->getInformation($this->config->get('config_cookie_id'));
+			$information_info = $this->model_catalog_information->getInformation((int)$this->config->get('config_cookie_id'));
 
 			if ($information_info) {
 				$this->load->language('common/cookie');
diff --git a/upload/catalog/controller/information/gdpr.php b/upload/catalog/controller/information/gdpr.php
index 9d2e60cc177..1e08ed8ed41 100644
--- a/upload/catalog/controller/information/gdpr.php
+++ b/upload/catalog/controller/information/gdpr.php
@@ -12,7 +12,7 @@ class Gdpr extends \Opencart\System\Engine\Controller {
 	public function index(): ?\Opencart\System\Engine\Action {
 		$this->load->model('catalog/information');
 
-		$information_info = $this->model_catalog_information->getInformation($this->config->get('config_gdpr_id'));
+		$information_info = $this->model_catalog_information->getInformation((int)$this->config->get('config_gdpr_id'));
 
 		if ($information_info) {
 			$this->load->language('information/gdpr');
diff --git a/upload/catalog/controller/startup/setting.php b/upload/catalog/controller/startup/setting.php
index 7c318d420ed..d104208aec0 100644
--- a/upload/catalog/controller/startup/setting.php
+++ b/upload/catalog/controller/startup/setting.php
@@ -37,7 +37,7 @@ public function index(): void {
 		// Settings
 		$this->load->model('setting/setting');
 
-		$results = $this->model_setting_setting->getSettings($this->config->get('config_store_id'));
+		$results = $this->model_setting_setting->getSettings((int)$this->config->get('config_store_id'));
 
 		foreach ($results as $result) {
 			if (!$result['serialized']) {