Do the following to enable cookies:
From the Safari or Settings drop-down menu at the top of the window, select Preferences.
Select the Security icon/tab at the top on the window.
Select the Always radio button in the ‘Accept cookies’ section.
Press Close to save your changes and close the window.
Finally, Refresh your browser, and ensure the ‘cookie status’ at the top of this window has turned green.
Other options exist to fully customise cookie management. See your browser’s help pages for more details.