Permission folder config redhat

Hello I have installed owncloud on my redhat server, i have this message Can not Write In "config" folder. how can i solve this error?

You normally have to give write permission of the config folder to the webserver user (apache). There is also more information about permission settings in the documentation:
https://doc.owncloud.org/server/9.1/admin_manual/installation/installation_wizard.html#setting-strong-directory-permissions

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