Problem with dates in some reports

Problem with dates in some reports

Hello,

I recently installed Analiytics Plus and use it with a base of ServiceDesk Plus.
In some reports, I have a problem with dates.
For example: "Incoming Ticket Count Trend Monthly".
If I choose in the Filter Time Created "Nov 2015", will be written on the chart creation time "Oct 2015" (see ITCTM_Nov2015.png).
Now I remove filter: all months shifted Nov 2015 -> Oct 2015, Dec 2015 -> Nov 2015, ..., Feb 2017 -> Jan 2017. (see ITCTM_All.png).
Change the chart type for a Line Chart (see ITCTM_Line_All.png).
Now all looks correct. Nov 2015 = Nov 2015, Dec 2015 = Dec 2015, ..., Feb 2017 = Feb 2017, but if I bring the cursor on "Sep 2016" shows will be Created Time: "Aug 2016".

ServiceDesk Plus reports everything is fine.

What's wrong?

Regards,
Alexander.
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