Maybe your heart is not sincere enough, or you don't have enough respect for the gods, or your heart is not calm enough, or the questions you ask are problematic. As for the immortal, I don't know the answer. There are still some mysteries that I can't understand. It is recommended to wash your hands and meditate before signing.
There is also a superstitious saying that people in the door should not ask for it. You won't be reincarnated, will you?