My friend has received the same text message over 60 times. I only sent it once.

[Kak1]

I sent my friend a single text message and she has received it over 60 times. Is the problem at my end or hers?

[Katie_B]

Hi @Kak1.

Thanks for coming here. 

Was this an iMessage?

Katie

[lone]

Hi @Kak1, 

If your issue is occurring on an iPhone, you might find this article helpful.