Symfony 2 Assetic Fatal error: Class 'Assetic\Util\PathUtils' not found on asset dump

Question

I\'m using Symfony version 2.1.10 with Assetic and after the last composer update I get the follwoing error when I try to run php app/console assetic:dump

Answer 1

Change

"symfony/assetic-bundle": "2.1.*"

to

"symfony/assetic-bundle": "2.3.*"

than it should work