HELP PLSSS!! THX

[bhav]

RRDTool Command:

C:/AppServ/www/cacti/rrdtool/rrdtool/rrdtool.exe graph - \
--imgformat=PNG \
--start=-86400 \
--end=-300 \
--title="aaa - Ping" \
--base=1000 \
--height=120 \
--width=500 \
--vertical-label="Round-Trip Time (ms)" \
--slope-mode \
--font TITLE:12: \
--font AXIS:8: \
--font LEGEND:10: \
--font UNIT:8: \
CDEF:cdefa=a,10,LE,NEGINF,UNKN,IF \
CDEF:cdefc=a,25,LE,a,10,GT,NEGINF,UNKN,IF,UNKN,IF \
CDEF:cdefe=a,50,LE,a,25,GT,NEGINF,UNKN,IF,UNKN,IF \
CDEF:cdefg=a,75,LE,a,50,GT,NEGINF,UNKN,IF,UNKN,IF \
CDEF:cdefh=a,100,LE,a,75,GT,NEGINF,UNKN,IF,UNKN,IF \
:cdefa#6C9BCDFF:"0 - 10%":STACK \
GPRINT::LAST:" Now\:%8.2lf %s" \
:cdefc#FFFF00FF:"11 - 25%":STACK \
GPRINT::AVERAGE:" Avg\:%8.2lf %s" \
:cdefe#FFCC66FF:"26 - 50%":STACK \
GPRINT::MAX:" Max\:%8.2lf %s" \
:cdefg#FF9900FF:"51 - 75%":STACK \
:cdefh#FF0000FF:"76 - 100%":STACK

RRDTool Says:

ERROR: invalid rpn expression in: a,10,LE,NEGINF,UNKN,IF

wat is wrong here? n wat should i do? thx=)

[BSOD2600]

read http://forums.cacti.net/viewtopic.php?t=11747 and then repost.

There is no data source defined for that graph, thus no rrd file, which is a problem...