This article helps with: Not received a confirmation message, I have entered but have not had confirmation, Unable to enter, Why cant I enter?, Why no confirmation text?, no response, I have been charged but not entered.
There could be several reasons why you haven’t received a confirmation message. This could be due to insufficient funds, a bar on your account or a network problem.
If you have not received the confirmation message then you will not be entered or charged.
You will need to speak to your network about this.