Whenever you are about to subscribe to a rights issue announced by a company, it might be better for you to double-check what the required funds to do so are. You will be able to see the sum needed in the e-mail sent to you. The subscription price at which each share can be purchased is usually a discounted relative to the current market price. In case you haven't got sufficient funds to subscribe to a rights issue, you might get the following message from your result.
If 'Whitbread PLC' have announced a rights issue that required funds for the subscription is £45, and you have less then these funds you won't be able to subscribe for their rights issue.