I already answered this the other day, it basically means that the billing poller isn't running, since there's no data in the table to graph.
Adam.
Sent from BlueMail
Not sure if this helps you but anyway
https://www.experts-exchange.com/questions/27204580/JpGraph-Error-25121-Empty-input-data-array-specified-for-plot-Must-have-at-least-one-data-point.html
On 25.07.2016 09:03, Michaƫl MORELIERE wrote:jpgraph error 25121
observium mailing list
observium@observium.org
http://postman.memetic.org/cgi-bin/mailman/listinfo/observium