This is normal if you have the preference ‘VST → Group Channels: Mute Sources as well’ enabled.
I would suggest disabling the tracks rather than muting or use the control room to do a stereo mute/unmute.
This is normal if you have the preference ‘VST → Group Channels: Mute Sources as well’ enabled.
I would suggest disabling the tracks rather than muting or use the control room to do a stereo mute/unmute.