OK, I believe I see the problem now. If I turn off "Link with Runtime packages" and turn off "Link with Dynamic RTL" I get the error with this simple code: 1. Drop a TChart on a form. 2. Add this code Series1 = new TLineSeries( this ); Series1->Title = UnicodeString( "NewSeries" ); Series1->Color = ...

I believe the problem is moving from an older version to a newer one.

Our code that worked with previous versions of TeeChart no longer work with the latest version. One problem is that while the documentation lists the call args for AddXYZ as Description To see a visual representation of this Series type, go to the TeeChart User Guide. This Series is very similar to ...