[SOLVED] Graphs aren't showing in Cacti

[apk]

Hey guys,
I know this is here all the time... But I haven't found the solution at this forum

Graphs in my Cacti aren't showing anywhere, but when I try copy the command from Debug mode and edit it to save the graph into image.png and save the command as bash script and run it, it works...

Weird thing is, that I don't have any errors anywhere.. just in Debug mode there is no answer from RRDTool... (RRDTool Says... nothing)

I'm sure you know what's wrong... I've read every thread I found (with the no graphs topic) but no answer to my problem...

BTW:
my configuration:

Debian Etch
PHP 5 safe mode=on
MySQL 5
Cacti 0.8.6i
RRDTool 1.2.15
NET-SNMP 5.2.3

Thx for replys and sorry for my bad english

[apk]

I think that is the problem, that the RRDTool doesn't respond... do you know what to do with this?

BTW: RRDTool in system works fine, as i already said...

[apk]

My mistake... I've already answered myself in first message.... I have enabled Safe Mode in PHP... so do you know how to use Cacti with Safe Mode On?