I'm hoping someone has an answer for this.  I started an edit on an old Mac Meridian MC, version 12.0.  I upgraded the system after (I thought) the show was done.  Of course, the client shows up and needs changes.  Having archived all the projects, I pulled this one back.  Now, the one bin I need from the project will not open up.  I've tried opening it in a new project, I've tried renaming the bin.  The error I got was 'Object ID out of bounds low'.  A search revealed an answer - pull it from the attic.  Unfortunately, I don't have the attic!  I've deleted the MCState, tried opening it under different settings...  Does anyone know of a trick to opening a corrupted bin?  The Mac that had run the Meridian system is available, but has been reformatted to  run After Effects. 

Thanks in advance for any help...

Jon

Without the Attic, you're pretty much toast. What I would try is to find a Meridian system somewhere and see if they can open the bin. If they can, make a couple of new bins and save copies of the sequence to each and try again.