SNMP error mess
 

I used the following to grap snmp info off Dlink access point

/usr/bin/cfgmaker --global 'WorkDir: /var/www/mrtg/right_access' --global 'Options[_]: growright,bits' --ifref=ip 192.168.1.7

but when i run the following
mrtg mrtg

File name: mrtg
WARNING: Could not match host:'public@192.168.1.7:' ref:'Ip' key:'192.168.1.7'
ERROR: Target[192.168.1.7_192][_IN_] ' $target->[0]{$mode} ' did not eval into defined data
ERROR: Target[192.168.1.7_192][_OUT_] ' $target->[0]{$mode} ' did not eval into defined data

Can anyone help me?

no can no one help me with this error message?