SRX 650 IDP Signatures Update fails

Hello.

I have problem with signatures upadte for SRX 650B with junos : 12.1R6.5.

I have this output:

node0:
--------------------------------------------------------------------------
Done;No newer version available or other error.
For detail, see (/var/tmp//sec-download/SignatureUpdate_tmp.xml) !

file show /var/tmp//sec-download/SignatureUpdate_tmp.xml
<?xml version="1.0" encoding="UTF-8"?>
<SignatureUpdateErrors>
<XMLVersion>1.0.0</XMLVersion>
<Errors>
<Error code="203">
<Display>Unsupported combination of device, feature, detector, and os passed</Display>
</Error>
</Errors>
</SignatureUpdateErrors>

Is this mean that I suppose to upgrade junos?

Best Regards