This bundle require "liip/imagine-bundle" , so you need to follow the documentation @liip installation if it is not already.
composer require clooder/imagine-bundle : 2.*@dev
Add in you AppKernel :
# AppKernel.php
$bundles = array(
new Clooder\ImagineBundle\ClooderImagineBundle()
);
After installing the bundle:
# app/config/config.yml
clooder_imagine:
cache_directory: %kernel.root_dir%/../web/uploads
#and add in liip configuration :
data_loader: clooder_loader