### Here we update the graphs sourcedata my $Chart1 = $RequestsSheet->ChartObjects("Chart 1"); $Chart1->Activate(); my $name = $Chart1->Name(); print "Chart1 Name: ", $name ,"\n";\ $RequestsSheet->ChartObjects("Chart 1")->Activate(); ############### This line here blows everything up. $Chart1->SetSourceData({Source => '=Data!\$A\$2:\$A\$295'} +);