rrdbotd: field not available on snmp server

[kashmish]

hi group ( and Stef ;) ),
believe since i switched to 'snmp2://' i get manymanymany of message
like in the subject into my syslog, even everything else works just
fine, (i got around 12k oids i pull every 5 minutes from about 150
routers...); my syslogfile rolls over every hour now because of this..

any pointer to if this could be avoided?
many tia!
-k