My photo files are missing.

[Dshelly78]

I stopped using Lightroom V. during covid. Today I started up working again and found that Version 6 no longer works at all. So I moved up to version 11, but none of my files are in Lightroom Classic.

I still have all my native files, but all the work I put into my Collection is gone. 

How can I get my files back. Anyone?  Below is an example of my missing photo  files.

Dante.

[KR Seals]

Did you update your old LR V 6 catalog in LrC V 11?

I didn't see much useful information in your screen shot except on some images the ! means the files are missing. This can happen if you moved or deleted the files outside of LrC.

Please post another of a larger area of the Library module in LrC V 11. Use the "insert photos" function in the message tool bar rather than attaching the screen shot. 

[GoldingD]

Gray previews. at least a couple of possibilitys

Libary previews corrupt

https://helpx.adobe.com/in/lightroom-classic/kb/lightroom-gives-error-preview-cache.html

Preference file corrupt

https://helpx.adobe.com/lightroom-classic/help/setting-preferences-lightroom.html