Big problem: echo at export

Hi guys

I'm having a very nasty bug that is driving me nuts.

I have a project that is almost finalized, and I've received the final mix from the sound engineer.

I've placed the mix on the timeline, and via the Timeline index i've unchecked all the audio sounds - except the final mix of course.

It plays perfectly, but at export I get many echo from all the disabled sounds! It's not normal, and it wasn't happening before. It just started like that.

It's clearly a bug, but I have no idea what to do. I've already found a workaround (disconnect all the audio clips before export), but I want to fix the bug since I will have to send my audio again to a more experienced sound designer.

What do you think ? Have you ever heard of that issue ?

Thank you!!
Manu

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EDIT:
I've found a few milliseconds difference between my mix and the rest of the timeline. Question: having the roles unchecked aren't supposed to exclude them from being exported ?

OK I just found out that unchecking the roles don't exclude them from export. Damn it.

No, it doesn't. But you can still do what you want with Roles. Export and set "Roles as:" to "Multitrack Quicktime Movie". There, you can enable and disable the Roles you want.

Wow, thank for the tip! Exactly what I needed.