As a bit of additional information, the error seems to occur in TCustomSeries.DoDrawAll, according to madexcept.

Bruce

I have just returned to older code which was working correctly prior to updating my Delphi and TeeChart software. After recompiling, my program fails with a Range check error when I enter the page with a standard TeeChart. If I delete the chart, I don't get the error and similarly if I delete some o...

Will try to make one.

Bruce

I have Teechart Pro 2016 v19, used with Delphi 10.1 Berlin update 2 and Intraweb 14.1.4 and am encountering a problem when compiling. I get an error message about "Incompatible types: TCustomAxisPanel and TCustomChart. It only seems to occur with map charts, not ordinary graphs and was not previousl...