Issue with PayPal Checkout (Standard)

At times, PayPal goes haywire! It starts to throw errors without any touch to the code. This repo will act as a minimal reproduction of the issue.

Steps

After cloning / downloading the repo, run the following command:

cp .env.example .env

Now fill the .env file with your PayPal app's credentials. Then run the following commands:

docker compose run --rm composer install

docker compose up --detach app