Latest post Sun, Nov 28 2021 1:16 PM by Paul Donahue. 8 replies.
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  • Fri, Mar 2 2018 1:38 AM


    Lately I have been having problems rendering sequences. I've been getting this message (msm_cons_mismatched_writers) I have tried searching online for any tips but no luck. This error only happens when trying to render audio effects. For some reason Avid will render some but not others in the same sequence, and this will stall the export. What's wierd is that even though Avid stalls during the export the file does finish exporting on the background. File will play and everything looks good, so once I see this I am forced to forced quit Avid. I've tried rendering to a local drive same problem. I've moved the project to another drive same, tried removing the effects and adding new ones...SAME PROBLEM. I am wondering if anyone else has had this problem or atleast know about the error message. This is not a consistent issue it picks and chooses which projects to be picky with, which makes recreating the problem a little bit hard to trouble shoot.


    I am running on a HP z840 workstaion Windows 10, Avid MC 2018.2 and Application Manager 2018.2

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    Avid Media Composer 8.3 W/Nitris DX, HP Workstation z820, Windows 7 64bit, 16gb Ram, Intel(R) Xeon(R) CPU E5-2640 0 @ 2.50GHz 2.50GHz (2 processors) [view my complete system specs]
  • Sat, Mar 3 2018 9:39 PM In reply to

    • Robert L
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    • Posts 1
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    Same exact problem. Running HP z440, Windows 10, MC 2018.2 and App Manager 2018.2

  • Sat, Jun 30 2018 5:25 PM In reply to

    • Babylon
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    • Sweden
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    I have same problem... do you find any solution?


    PC windows 10 pro AMD Ryzen 7 3700X-8-Core nvidia rtx 2060 super 64 GB-Ram [view my complete system specs]
  • Thu, Aug 2 2018 2:13 PM In reply to

    • gaspar
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    • Joined on Thu, Oct 13 2005
    • Montreal, Quebec
    • Posts 108
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    Just ran across this today for the first time.

    ASRock Z370 Taichi, Intel Core i7 8700K, 32G Ram, NVIDIA GeForce GTX 1080 Ti, 2XDell U2410, Win 7 64bit with MC2018 [view my complete system specs]
  • Thu, Aug 30 2018 7:05 PM In reply to






  • Thu, Nov 28 2019 7:32 PM In reply to


    I get this when adding a Dissolve effect 9 times out of 10. 

    the effect works fine after clicking OK ON THE WARNING. 


    *****Stay Tuned***** [view my complete system specs]
  • Mon, Feb 17 2020 4:34 AM In reply to

    • Phil Vincent
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    • Sydney
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    Same thing here. iMac 27inch. Linked media rather than imported.


    We don't get an error pop up, but when we look in console we get the same MSM_CONS_MISMATCHED_WRITERS. I can do an audio and video mixdown fine, but a render of effects doesn't work. Also interesting to note, is when I try to do an expert render it shows as no effects to render.


    Any ideas? It's super annoying!

    A selection of iMacs and some trashcan mac pros. [view my complete system specs]
  • Mon, May 25 2020 9:26 AM In reply to

    • Colin Hickey
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    • Ireland
    • Posts 8
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    • Hi there, I have been having the same problem. Were you able to fix this? 

    Avid Media Composer 2020.5 iMac Version 10.15.5 (Retina 5k, 27 inch, late 2015) Processor 3.2 GHz Quad-Core Intel Core i5 Memory 8GB 1867 MHz... [view my complete system specs]
  • Sun, Nov 28 2021 1:16 PM In reply to

    • Paul Donahue
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    • Joined on Thu, Oct 13 2005
    • Zurich, Switzerland
    • Posts 75
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    Hi, Was a solution found for this? I have this problem today.

    MacBook Pro 2.3 GHz Intel Core i7, 8 GB 1600 MHz DDR3, 10.9.4 [view my complete system specs]
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