New Release: NextGen Simulations' Embraer EMB-110 Bandeirante

4th flight EGPN to EGPD. I left the inverters OFF (to see if anything happened), and I noted the orange warning signs in cockpit (see image), but no ‘out of control’ AP abnormalities though even after I toggled AP ON/OFF a few times.

However, once again after getting an assigned approach from ATC I select the approach and ‘load & activate’ it in the GTN750 and aircraft follows, then suddenly ignores the plan again (see image). Anyone have any ideas about what is going on here? In this case how to I get AP to follow the plan after reaching ‘GLESK’ transition?
I am enjoying this aircraft other than these weird AP nav issues which may just be me.