Cacti First page not show graph

[cybernet]

when I going to the first page I found that the graph now show but when I click any list but it has benn show , why?

you can help me to solve this problem?

FGirst page



when click

[gandalf]

With old cacti versions,this is a known error. To judge, we need both the cacti version as well as the rrdtool version
R.