fix

assets/javascripts/discourse/components/wizard-subscription-status.js

@@ -14,7 +14,7 @@ export default class WizardSubscriptionStatus extends Component {
 
   constructor() {
     super(...arguments);
-    ajax(`${basePath}`).then((result) => {
+    ajax(`${this.basePath}`).then((result) => {
       this.supplierId = result.suppliers[0].id;
       this.authorized = result.suppliers[0].authorized;
     });