https://github.com/opencart/opencart/issues/11458

upload/admin/model/sale/subscription.php

@@ -162,10 +162,18 @@ public function addTransaction(int $subscription_id, string $description = '', f
 		$this->db->query("INSERT INTO `" . DB_PREFIX . "subscription_transaction` SET `subscription_id` = '" . (int)$subscription_id . "', `description` = '" . $this->db->escape($description) . "', `amount` = '" . (float)$amount . "', `date_added` = NOW()");
 	}
 
-	public function getTransactions(int $subscription_id): array {
+	public function getTransactions(int $subscription_id, int $start = 0, int $limit = 10): array {
+		if ($start < 0) {
+			$start = 0;
+		}
+
+		if ($limit < 1) {
+			$limit = 10;
+		}
+
 		$transaction_data = [];
 
-		$query = $this->db->query("SELECT * FROM `" . DB_PREFIX . "subscription_transaction` WHERE `subscription_id` = '" . (int)$subscription_id . "' ORDER BY `date_added` DESC");
+		$query = $this->db->query("SELECT * FROM `" . DB_PREFIX . "subscription_transaction` WHERE `subscription_id` = '" . (int)$subscription_id . "' ORDER BY `date_added` DESC LIMIT " . (int)$start . "," . (int)$limit);
 
 		foreach ($query->rows as $result) {
 			$transaction_data[] = [

upload/catalog/controller/mail/subscription.php

@@ -15,7 +15,7 @@ public function index(string &$route, array &$args, &$output): void {
 		} else {
 			$subscription = [];
 		}
-
+		/*
 		$subscription['order_product_id']
 		$subscription['customer_id']
 		$subscription['order_id']
@@ -34,7 +34,7 @@ public function index(string &$route, array &$args, &$output): void {
 		$subscription['remaining' ]
 		$subscription['date_next']
 		$subscription['status'	]
-
+		*/
 		// We need to grab the old order status ID
 		$order_info = $this->model_checkout_order->getOrder($order_id);