This issue may be resolved by clearing your cache and cookies on your browser. Please see the following instructions on how to clear your cache.
https://ttlc.intuit.com/community/troubleshooting/help/how-to-clear-your-cache/00/26135
See here for instructions on clearing your cookies.
https://ttlc.intuit.com/community/troubleshooting/help/how-do-i-delete-cookies/00/25978
You may also try using another browser or using the phone app if the above does not work.
https://turbotax.intuit.com/personal-taxes/mobile-apps/turbotax/
If none of these resolve the issue, please contact Customer Support for further assistance.
https://ttlc.intuit.com/community/using-turbotax/help/what-is-the-turbotax-phone-number/00/25632