fix: prevent chart from crashing if there is no data
fix: prevent chart from crashing if there is no data

mkuzak/csWeb,mkuzak/csWeb,Maartenvm/csWeb,mkuzak/csWeb,TNOCS/csWeb,indodutch/csWeb,Maartenvm/csWeb,mkuzak/csWeb,c-martinez/csWeb,TNOCS/csWeb,Maartenvm/csWeb,c-martinez/csWeb,TNOCS/csWeb,indodutch/csWeb,c-martinez/csWeb,Maartenvm/csWeb,indodutch/csWeb