Some channels won't mute when I solo a track

Hello group

I’m running a large project on N6.0.6. Lots of automation.
When I solo a track, some channels won’t go into mute. They mute for a millisecond but than go out of mute.
It is a 200 track project and there are about 4 or 5 tracks that have this problem and those 4 or 5 tracks all have automation (pan, volume, send, EQ). All other tracks (with or without automation) mute normal when I solo a track.
Am I missing something or is this a bug?

Thanks.

Alan

Lydiot, you’re great. Don’t know how it happend, but somehow there was mute automation on those tracks.

Thanks

Alan

That happens to me so often I now start every session with mute automation disabled, only way to keep me from tripping over myself! john.