Need help to find basic documentation and fix a graph.

[Ibersystems]

Hello,

I'm new on this forum and I need help to find documentation for configure and format graphs in cacti. There is any basic documentation to figure out how cacti works basically?

I have cacti installed and working and I have graphs working fine, but now I have a graph that gets active users from a Mikrotik Hotspot and makes a graph.
The problem is that if nobody active, the graph show "nan" instead of "0". It's possible to fix something to get 0's instead of nan's?


Thanks,
Martín

[BSOD2600]

http://docs.cacti.net/ isn't enough documentation?

The script should be updated to return 0 if there are no users.