What specific version of Media Composer on what specific macOS? Don't work how? Are you trying to import them or link them? What happens when you try?

Thank you kindly for posting the solution!

[quote user="Mirja"]We're trying to re-import material that has been transcoded initially[/quote] What was the exact workflow you used when you first brought the material into the system? [quote user="Mirja"]Or do transcoded clips require a different workflow to re-import them?[/quote] If you linked and then transcoded, batch

Are all your effects rendered? https://community.avid.com/forums/t/205302.aspx

[quote user="Mark A"]Check console window for more information.[/quote] What does the console say?

I'm glad it's fixed. For future reference you can hold ALT to open a project with the bins closed. Assuming one of the bins was causing the trouble, this could possibly help avoid the error so you could get back to work.

Great news! You're welcome!

Hi, Possible solution here: https://avid.secure.force.com/pkb/articles/en_US/Error_Message/EssentialResourceNotAvailableError-Launching-Media-Composer-2022-4

Hi Emilyrobb, [quote user="Emilyrobb"] Yes I have tried signing in and out from both systems several times. I can't deactive the machinese becuase both are saying they are dactivated ( which is the issue) but one is clearly activated. Also tried clearing the Avid link cache. I ended up having to buy a second account the other week as I

Your specs say you have multiple systems. What are the system specs of the computer that's having the problem? What version of Media Composer is it running?