Thanks Lars,
I did try to clear the cache, tried a private browser, tried other browsers and other computers, and tried the shift key hold down.
Still seeing that parameter error.
In settings > Interface > Views and clicked to sort by items that were visible system wide. Workfront popped me to a view that just says: Invalid Parameter: Search Parameter value "isSystemWideVisible". with the warning exclamation point icon, and won't let me revert to the standard view or change ...