po box locked

i went and got a po box placed an order with attitude.when i went to my box i was locked out.i then called the post offic thay say thay made an error and i need to go up and get new keys.anyone heard of such a thing?or is it an error?

havent heard of it but i wouldnt worry sounds pretty odd to be a sting for some beans honetly prob was a mistake rember all u ordered was a tee shirt as a gift dont know anything if they ask

ya thats what im thinkin.thanks for the reply