Complianz uses the upload folder to store a CSS file for the cookie banner. If the upload folder is not writable, there will be no CSS and therefore no cookie banner. This is how you change the permissions with an FTP client like CyberDuck or
The Privacy Suite for WordPress
Get compliant today in the European Union, United States, Canada, United Kingdom, Australia, Brazil & South Africa with the only Privacy Suite for WordPress that offers a fully-featured plugin for Worldwide Compliance.
Why WordPress Plugins are better in Consent Management.