All my code content has turned into 'Permission denied', what's going on?

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Screenshot 2026-02-21 at 4.27.15 PM
Screenshot 2026-02-21 at 4.27.15 PM952×932 55.9 KB
All my code content has turned into ‘Permission denied’, what’s going on?

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What can we do even fixing error it is a it is a problem