Payment Management Settings
FluentForms uses two pages for handling the display of payment history and payment receipt.
You need to select the pages and add the instructed shortcodes accordingly.
Create a page for payment history and payment receipt accordingly.
Now select these pages from the Global Settings -> Payment Settings -> Pages & Subscription Management option as seen in the screenshot below:
Additionaly you can enable Subscription Management for stripe by ticking the last chcekbox.
Now hit the Save Settings button.