What does the reminder of WeChat's arrears to be paid mean?

This is usually when a user logs in to a third party of WeChat and looks at the contents, and then generates an order, but it is not paid, so it will be displayed as pending payment. If you pay with WeChat change, and then the amount paid is more than 2,000, there will be a text message to remind you to pay. Another situation is that your network is not good, and then after the network is restored, you will be reminded to pay again, so this payment procedure is already in progress and you can't stop it. So this is because you haven't paid something in a certain channel, so it shows that WeChat is in arrears and there is a reminder.