Documents sometimes won't open on Mid 2015 MacBook Pro

Which docs have this problem - all/any or just docs from certain applications?

If a simple reboot of your Mac doesn’t fix things, see if the problem still happens in safe mode.  Safe mode will often correct weird software behavior by forcing the OS to clear caches, do disk repair and other self-maintenance and housekeeping and temporarily disables third-party mods.

How to use safe mode on your Mac - Apple Support 

Does the problem go away in Safe mode? 

If so, this may indicate an OS software conflict with your apps.

You can exit safe mode by restarting your Mac normally, then reevaluate the problem.

barb_st wrote:

Why won't my documents open on my Mid 2015 MacBook Pro? Sometimes they will, and sometimes they won't. The document flashes when I click on it, but it won't open. This is happening more and more. I don't think I'm doing anything different from one day or hour to the next to cause it to malfunction. Am I missing something here?

no resolve—

Disk Utility only reads the Directory area of the drive, and checks it for self-consistency. It does not read any data area blocks.

Boot into Internet Recovery (Option Command R) and from the dropdown menu: Utilities>  Disk Utility> run the First Aid on your Macintosh HD, Container, (and the "Macintosh HD-Data" volume as well) If errors are found and repaired, run again until no errors reported. Ignore the warnings.

ref: https://support.apple.com/en-us/102611

Disk Utility>View>Show All Devices

Parent drive —I would start here

Container level

Volume level