I'm facing this weird issue with all my reports: sometimes everything works as expected but every now and then they show the error below:

When that error pops up, I can click the OK to dismiss the alert, navigate through the report, but can't export it to any format (word, excel, pdf, etc). It simply clears the window and shows the same message, like this:

We can work around the issue by refreshing the page over and over, until the error does not show up; but it's quite annoying and some of our users got really upset about it.
I want to know if there is something I can do to prevent this, or if I should wait for a new release to fix the problem.
Some Technical Information:
Asp.Net MVC 5
Stimulsoft.Reports.Web 2017.2.3
Hosted on Azure
PS: The error started showing up when we upgraded to version 2017.1.1.
Hope to hear from you guys soon. Thanks!