To fix this issue, check if you have installed the latest operating system version on your device.
If you already have the latest version, reinstall our app and try to open our Cashier:
If the issue continues, send us this information:
Android
Settings → About Phone → Software Information
iOS
Settings → General → About
The instructions for finding updates or the names of the options you need to tap on may vary from device to device. But they should be like the instructions we have provided. Contact your device's manufacturer for the exact instructions if you need to.
Also, send us the log files from our app.
In the meantime, try the desktop version of our Cashier. Or, if you're on the website version of our help center: