Let’s follow the simple steps mentioned below, the issue related to any fatal error at the time of installation, if any, will be resolved easily:

1. Install the Free plugin of WPSmartPay (before installing the pro version). Go to plugins – install – search for the free plugin WPSmartPay.
2. Install the WPSmartPay pro plugin. Go to Plugins – upload the downloadable sent to you over email upon purchase and install the same.
3. Extract your license key from WPSmartPay website:-

How to extract your license key:

1. Go to https://wpsmartpay.com/wp-login.php?action=lostpassword.
2. Enter your exact email address (use the purchased email address) and set your password.
3. An email will be sent, click on the link, and login into your account.
4. Once logged in, click on account and the product details will now be available.