[rrd-users] generating graph ==> Error

[colas]

I get the following error when I generate a graph using the RRDs graph.

problem generating the graph: 'SCALAR' is not a valid function name.

Before i use function create and update whitout error.
 
It's not a complicated code because i juste begin with this language.


RRDs::create ($rrd, "--start", $start_time, "--step", 600,
                'DS:up:GAUGE:600:0:U',
                'RRA:MIN:0.5:1:9000',
                'RRA:MAX:0.5:10:5040',  
                'RRA:AVERAGE:0.5:1:200');

my $start = time() - 7200;
my $end = time();

RRDs::graph ("tata1.png", \
			"--end=$end",	\
			"--start=$start",	\
			"--a=PNG",	\
			"--w=100",	\
			"--h=250",	\
			"--base=1024",	\
			"--color=CANVAS#000000",	\
			"--color=BACK#101010",	\
			"--color=FONT#ffffdf", 	\
			"--color=MGRID#337fbf", 	\ 
			"--color=GRID#615900", 	\
			"--color=FRAME#808080",	\
			"--color=ARROW#FF0099",	\
			"--title=test", \
			"'DEF:probe1=tata1.rrd:up:AVERAGE",	\
			"'LINE2:probe1#FF0000:gigue_vers_serveur");



Thank you for your help, 
Nico
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