WARNING: Result from SERVER not valid. Partial Result: after upgrade to 0.8.7i

Hi all.

I upgraded my cacti server from version 0.8.7b to last version 0.8.7i
and all graphics that used the methods : 

SNMP - Get Mounted Partitions
SNMP - Get Processor Information

not work after done the upgrade. I have this message return in
cacti.log : 

03/28/2012 06:07:27 PM - CMDPHP: Poller[0] Host[96] DS[1900] WARNING:
Result from SERVER not valid.  Partial Result: U
03/28/2012 06:07:27 PM - CMDPHP: Poller[0] Host[96] DS[1900]
SERVER: /usr/local/cacti/scripts/ss_host_disk.php ss_host_disk
xxx.xxx.xxx.xxx 96 1:161:1500:1:10:public:::::: get

Any ideia how I can fixed this issues ? 

Regards and thanks in advance,
Marco 


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