Nectar Plugin - Scheduled Graph Reports Show Blank Graphs

[synapsev2]

Ok, I did search the forum already and the Internet having no useful information jump out at me.
The problem I am having is that I just upgraded to the latest release of cacti on CentOS and began configuring the new plugins. Everything is working except for Nectar's scheduled graph reports; the reports will e-mail just fine but all the graphs are blank in the e-mail. The interesting part is that it works as described if I send the e-mail on deman from the Nectar "Send Report" link. Any ideas?

[gandalf]

With "blank graphs" you refer to the graphs showing NaNs, correct?
In this case, I assume an issue with reading the rrd files. Please verify, that file permissions of all rrd files are the same and correct
R.