GroupMe app wont send sms pin

I have used this app for quite some time. I have probably reinstalled it 3 or 4 times due to updating OS or things like that. I just installed .428, and reinstalled GroupMe again. This time, it will not send my pin via text, no matter how many times I hit "resend pin". I have deleted and reinstalled app again, but it wont work.

Has anyone else had this problem? I am stumped.

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Does anyone have an answer for him?

i emailed support, they gave me a new pin which also did not work. judging by the reviews... looks like a lot of people are having this issue.

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I am not reaciving a pin as well :s its like one week now and still waiting lol