Device
iMac
Operating System/Browser (if using the web)
macOS11.7.10
Dropbox App Version/Browser Version
231.4.5770
Question or Issue
When working from my desktop (iMac) I cannot use the finder to open files that have recently been created and saved from my laptop. Files appear synched and have preview information:

But an attempt to open the file yields:

This behavior applies to files of all types that have been recently created. Older files seem unaffected. There is apparently the following workaround: it is possible to open a file from the tool bar interface of the desktop app:

But “click-to-open” is clearly the desired behavior and I am not sure how to recover it.