If a payment needs to be cancelled, you can do it from the platform in two ways.
From the Players section
In the platform, select Players from the menu.
Search for the player and open their profile.
Under Payments, open the product.
Cancel the payment.
From the Shop section
In the platform, select Shop from the menu.
Click the product.
Search for the player.
Select the payment you want to cancel.
Click the three dots on the right and select Cancel payment.
What happens next
The parent doesn’t get a notification, but in their app the payment shows as cancelled.