[2.1.27] MIDI Keyboard not playing sound unless input changed

When the project is open, by default midi controller selected was “MIDI IN 1” and playing midi piano won’t product any sound.

But if i open the VST instrument and mouse click the piano keys on the vst instrument it will produce sound

Now if i switch to “Keystation 49MK3” and play on MIDI keyboard it will product sound.

Now If i switch back to “MIDI IN 1” and play on the MIDI keyboard then it will produce sound.

If “Keystation 49MK3” is set as the input it will play always, even after re-open

The project attached here.
test.vlprj (77.6 KB)

Thanks for the project.
Go to “Devices/Connections” and remove all MIDI Inputs that you don’t need, then make sure input works and save your project. Does it work then when loading? Some of those connections are redundant, maybe that causes problems.

I will clean it up and see…