You might have created the poll without being logged in to your Doodle account, or you have not used the Premium Business URL, when creating the poll.
When using Premium, please always log in to your Doodle account before creating a poll. Using Premium Doodle Business / Enterprise, always use your Premium Business URL.
Please also check the settings of your Doodle account here: make sure your Premium subscription is selected in the drop down menu. If it says "Do not use Premium" click on the field to change the status.
In case the above suggestions are not helpful feel free to contact our support team.