Can't send code

I also received the SMS message but thankfully around 24 hours later the issue was resolved.

Ruby Kleva

Code for redeeming giftcard? If it is, you are redeeming too late, try it only during daytime.

Dolores Shalek

I have been having trouble as well.  I even tried uninstalling and the re-installing the app to no avail.  Will try again tomorrow and hopefully the problem clears up.