UNKNOWN log format from Juniper SRX 1400 to Firewall analyzer 7.2

UNKNOWN log format from Juniper SRX 1400 to Firewall analyzer 7.2

hi every one
i downloaded Trial version of firewall analyzer 7.2 for managing logs from my juniper firewall.
As Mangeengine said i configured my firewall to send syslog messages to Firewall analyzer like here:
http://www.manageengine.co.in/products/firewall/help/configure-firewall/configure-juniper.html#SRXDevicever

but when i login to FWanalyzer, it show me an error about unknown log received!
any idea?
thanks