I'm growing anxious and scared because of error inputting EW code

[Lurcainne]

I tried again after waiting 24 hours and using my phone with no Wi-Fi but no dice. I called Square Enix and they referenced my ticket from over a day ago about this issue and said I needed to wait another 24 hours for the escalation. I am really, really, really
hoping they straighten this out before Saturday.

You're quite lucky you can call them
My region support centre closes the call service due to pandemic, as they say in the EU support centre
I can only wait patiently.