Your Data directory is invalid Please check that the data directory contains a file ".ocdata" in its root

When I update my XAMPP version then facing problem your data directory permission not writable. but when i give full permission then showed data directory can’t access by others.

You don’t have to give “full permission”, just the web-user needs access.

just give access to daemon:daemon. Use chmod.

It’s somewhat dangerous to give such advices. It requires the real user who is running the web server, mostly www-data.

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How to give access in data folder daemon:daemon

I agree but since he is running xampp, the web user is daemon:daemon