Every file and folder that exists on your website has a set of permissions. If the files or folder’s permissions are misconfigured, your website might not work as expected.
You can easily fix your file permissions by opening your Hosting → Manage → Fix File Ownership section:

Tick the option to confirm that you want to set the files and folders to default permissions and click on Execute:

All done! Now you know how to fix your file and folder permissions 😊
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