7-Eleven gas pump canceled my transaction after $0.34, still charged full amount

I was trying to put $25.94 in my gas tank on Tuesday and their gas pump messed up in my whole transaction got canceled after only $.34 of gas being put in my car and I did not receive the rest of my money back still

[Re-Titled by Moderator]

Original Title: I went to get gas at 711 on Tuesday there machine was messed up and only put $.34 in my tank instead of the 2594 I was trying to put in and I still haven’t got my money back