Hi quark,
Thanks for replying. I think you’re absolutely right. I’m not blaming the awesome G4P builder tool what so ever. Been using it extensively with joy and result. Just trying to trace my errors.
It’s probably my programming skills that somehow mess up the program when exported. The sketch works perfect while running in the processing environment. Just was hoping that someone experience the same challenge.
Is there a way of tracing the fault? Yes I could gradually build the program from scratch and see where I mess up. But that’s quite a labor and time expensive undertaking.
I’ll think about it and probably will comeback on this issue. 
Cheers