Why i can´t upload any file on my cloud?

Desktop
1

Hello world, i ask for i cant upload files, check this SS of the message

panel.png1496x1432 54.6 KB

Please help me

2

Have you set your permissions right? https://doc.owncloud.org/server/9.0/admin_manual/installation/installation_wizard.html#setting-strong-directory-permissions

3

I´m using a web hosting :confused: no VPS, please help me