Strange issue - audio output only when I click the fader

I opened up a project and for some reason two of the instruments will have no output unless i click on the fader. As soon as I release the click, the output stops, but clearly the VST is producing sound. I dont think it’s an automation issue. I have never experienced this before. Very odd.

Anyone know what’s going on here?


Are these an Instrument tracks or a MIDI tracks?

On the top of the Project window, can you see 4 buttons: M, S, R, W? If the R button lights green, please, try to switch it off (switching Off of all automation).

Could you check these 2 tracks, if there is any MIDI Controller 7 message?