Fix #352#354 no such plan exists

CRM/Core/Payment/Stripe.php

@@ -309,7 +309,7 @@ class CRM_Core_Payment_Stripe extends CRM_Core_Payment {
     try {
       $plan = $this->stripeClient->plans->retrieve($planId);
     }
-    catch (Stripe\Exception\InvalidRequestException $e) {
+    catch (\Stripe\Exception\InvalidRequestException $e) {
       $err = self::parseStripeException('plan_retrieve', $e, FALSE);
       if ($err['code'] === 'resource_missing') {
         $formatted_amount = CRM_Utils_Money::formatLocaleNumericRoundedByCurrency(($amount / 100), $currency);

[andyburns]

This now results in a bounce to the home page with this error.

Jan 25 17:44:12 [debug] paymentMethodID not found. $params: Civi\Payment\PropertyBag Object

I have Financial Types by ACL activated: https://docs.civicrm.org/user/en/latest/initial-set-up/permissions-and-access-control/#financial-type-permissions.