Hi penny.follett, thanks for posting on the Community
QuickBooks Online is a web-based application that uses cache and cookies to run faster, but sometimes these can also block web pages from loading. As a first step when experiencing problems such as viewing forms, we recommend clearing your browser's cache and Intuit-specific cookies to fix.
If you continue to see errors following this, please provide further details below so that we can make sure these are reported to our tech team.