[rrd-users] Error with crating graphs

[Franche, Julien]

 I'm at a stand still can somebody give me a clue on what to do?
This is the error that I get. I'm wondering why this file was not
created.
RRDTool Command:

c:/rrdtool/rrdtool.exe graph - \
--imgformat=PNG \
--start=-86400 \
--end=-300 \
--title="VoIP switche01 - Traffic" \
--rigid \
--base=1000 \
--height=120 \
--width=500 \
--alt-autoscale-max \
--lower-limit=0 \
--vertical-label="bits per second" \
--slope-mode \
DEF:a="C\:/Inetpub/wwwroot/cacti/rra/voip_switche01_traffic_in_185.rrd":
traffic_in:AVERAGE \
DEF:b="C\:/Inetpub/wwwroot/cacti/rra/voip_switche01_traffic_in_185.rrd":
traffic_out:AVERAGE \
CDEF:cdefa=a,8,* \
CDEF:cdeff=b,8,* \
AREA:cdefa#00CF00:"Inbound"  \
GPRINT:cdefa:LAST:" Current\:%8.2lf %s"  \
GPRINT:cdefa:AVERAGE:"Average\:%8.2lf %s"  \
GPRINT:cdefa:MAX:"Maximum\:%8.2lf %s"  \
COMMENT:"Total In\:  0 bytes\n"  \
LINE1:cdeff#002A97:"Outbound"  \
GPRINT:cdeff:LAST:"Current\:%8.2lf %s"  \
GPRINT:cdeff:AVERAGE:"Average\:%8.2lf %s"  \
GPRINT:cdeff:MAX:"Maximum\:%8.2lf %s"  \
COMMENT:"Total Out\: 0 bytes" 
RRDTool Says:

ERROR: opening
'C:/Inetpub/wwwroot/cacti/rra/voip_switche01_traffic_in_185.rrd': No
such file or directory

Thanks, 

Julien Franche
IT System Administrator
Gowlings Lafleur Henderson LLP
Tel: (613) 786-0124
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