Not all software displayed

OS Server Information :
Web Server: Apache/2.4.6 (CentOS) PHP/5.4.16 mod_perl/2.0.10 
Version: 3.10.0-957.12.2.el7.x86_64
Version OCS Reports: MariaDB Server version 5.5.60-MariaDB 2.6

OCS Agent : OCS-NG_WINDOWS_AGENT_v2.4.0.0

Hello, 
    When navigating Inventory > all software, clicking on count column does not display machine list.

Thanks 
Bruno