We had been experimenting some issues with POAP App. When some people of our Community try to mint our POAP appears the message of “This POAP was minted” however, when we try from a computer we don’t have any issues with the same link. Sometimes, the POAP they already minted the POAP but they received the message of “This POAP was minted” too. I think maybe there is a bug on the App so I decided to inform you.
Here are some examples: