/tmp

When encountering this error “Missing temporary folder” in WordPress and if CageFS is enabled for user in cPanel WHM on CloudLinux, reset CageFS for the user. cagefsctl –disable $USERcagefsctl –enable $USER Where $USER is the username of the account Ref: https://support.cpanel.net/hc/en-us/articles/360052910573-WordPress-reports-Missing-a-temporary-folder-when-uploading-images Similar errors “Server Error 400 Bad Request”, “Elementor update error”