csrf protection not working

[TheCHIM]

csrf protection not working What I did:

1. installed csrf-protector-php via composer

did even that

3. an error occurs when submitting the form: "403 Access Forbidden by CSRFProtector!"
4. the config.php file is located along the path \vendor\owasp\csrf-protector-php\libs, here is its content:
   

What am I doing wrong?