Not sure what happened.  You may like to try the following steps, which resolve most problems, before spending your precious time calling Intuit Support:

• Use only ProConnect Tax-supported browsers (see https://proconnect.intuit.com/community/product-system-requirements/help/system-requirements-for-pro...);
• Clear cache and cookies;
• Exit and restart browser;
• Restart machine or device;
• Open ProConnect Tax only in incognito mode, always;
• Use another supported browser if problem persists; and
• Use another machine or device, if available.