Missing data on Graph

[m3r1986]

Hi on some devices looks like cacti is missing data

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It's not because IP SLA did not respond, because if I turn on Graph in real time data is collected correctly.
On other devices (same graph template , same Data Query) graph is drawing correctly.

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Anyone could know what seems to be problem ?

[m3r1986]

It happens when you have graph created (.rrd file) and when you change Data Source Profile. If you do so, delete old .rrd file associated with graph and lets cacti create new one according to the new Data Source Profile.
If you have to change this profile for multiple devices associated with Data Source Template do it here by choosing option Change Profile:

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