Insane duration of audio rerender in Multicam Timeline - is there a workaround? (CS6)

I am using the Multicam function (CS6) on timelines with a duration of 60 to 120 minutes. Sometimes I have to cut out a small portion of the video, and then Premiere needs to rerender the audio - which is quite annoying because it takes several minutes to do so.
But now it has grown even worse. I cut a small portion of the timeline, marked and copied it, undid the cuts and inserted the copied part at the end of the timeline. Then I wanted to continue editing but Premiere still started the audio rerender process - but it says it would need more than 8 hours for this?!? Seriously? (It finally rerenders a lot faster (25 minutes), but still that is more than annoying, just because I did a cut and undone it... .
So is there a way to work around this behavior or can it be avoided at all? Needless to say that an 8 hours pause in my working schedule is not acceptable at all.

Hi Discover-Truth,
So is there a way to work around this behavior or can it be avoided at all? Needless to say that an 8 hours pause in my working schedule is not acceptable at all.
I've seen this happen to users when their sequence settings for audio sample rate do not match the clip settings for audio sample rate. Can you check on that?
Thanks,
Kevin

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I enclose screenshots of the project settings:

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Sent from my iPhone

Insane duration of audio rerender in Multicam Timeline - is there a workaround? (CS6)

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