I solved the problem.
In the file TAChartAxis, change this code:
(Line: 1015)
begin
FillChar(Result, SizeOf(Result), 0);
ai := 0;
for i := 0 to High(FGroups) do begin
to it:
(Line: 1015)
begin
FillChar(Result, SizeOf(Result), 0);
for i := 0 to High(FGroups) do begin
ai := 0;
Bugtracker?