Bug or problem cubasis midi effect .

Why midi events doesn’t affect by midi effects directly , like waves events that affect by insert effects or send effects .
There is This problem even when I freeze this midi track.
1 .I create one midi track and record midi notes, and then select one midi plugin in midi effect dashboard, for example mozaic plugins or Audio veek plugins.
2 . Press playback button .
Result: No changes are affected by the midi effect created .

midi effect works only when i play with internal keyboard or external keyboards and I can record midi notes affected by midi effects.