fix: #3

src/QUI/ERP/Coupons/Handler.php

@@ -230,7 +230,7 @@ public static function editCouponCode($id, $discountIds, $settings = [])
             'title'       => empty($settings['title']) ? null : $settings['title'],
             'createDate'  => $Now->format('Y-m-d H:i:s'),
             'code'        => $code,
-            'isReusable'  => !empty($settings['reusable']),
+            'isReusable'  => !empty($settings['reusable']) ? 1 : 0,
             'discountIds' => json_encode($discountIds)
         ];