Trigger Line not showing in custom graph

[just2blue4u]

My triggers aren't displayed in custom graphs and I have no clue why. In simple graphs (as seen under "latest data") they are appearing correctly.

my config (http://217.20.127.77/myfiles/graphcfg.jpg)

the result (http://217.20.127.77/myfiles/graphwithouttriggerline.jpg)

(trigger should normally appear at 70°C

[Alexei]

Please give also definition of your trigger(s).

[just2blue4u]

Here's my Trigger Config (http://217.20.127.77/myfiles/triggercfg.jpg)