Premiere Pro CS6 Project Manager gives error & will not manage project - OS X Lion 10.7.5

Question

Premiere CS6 project manager reports  an error and will not manage my project. I have tried several times with both "Create New Trimmed Project" and " Collect Files and Copy to New Location". I have also tried to manage the project with options checked and unchecked (Include Preview Files, Include Audio Conform Files, Rename Media Files to Match Clip Names). Every time I try to manage the project, the process takes a few hours and then gives an error asking me to try again.
The project is 90 minutes long and uses multiple footage formats:
Sony FS100
Sony NEX7
Sony NEX-5n
Canon C300
Canon 5DmkII
Panazonic HVX200
My computer is:
Processor  2 x 2.66 GHz 6-Core Intel Xeon
Memory  12 GB 1333 MHz DDR3
Graphics  ATI Radeon HD 5770 1024 MB
Software  Mac OS X Lion 10.7.5 (11G63)
Is this a bug, or are there specific things I can do to troubleshoot the problem? I have read of issues with AVCHD. I have confirmed all of my AVCHD folders are intact. Any other Ideas?
THANKS!

Answer 1

I have this same problem on a Mac with CS6. I was simple trying to archive a project using the "collect files" option. After five or six hours of troubleshooting (Thanks Adobe) I have narrowed it down to MXF clips that came over in a Final Cut EDL (Projects created in PP with MXF files seem to be fine).  In other words, as I was transitioning from FCP to Premiere Pro, I sent four or five projects out of FCP as an EDL, opened them in PP and continued to edit.  It seemed to work really well until I attempted to archive my media.  If there was a single raw MXF file in the timeline (Not the project panel for some reason) the Project Manager would give me the standard error:"An unknown error occurred during the Project Manager operation. Please save your project and retry the operation.".
I have found two solutions that seem to work, both of which are a pain in the ax. 
Option 1: Save the original project file only to an archive folder.  Then delete all the old timelines from the project, and save the project with a new name.  Create a new timeline and just drag all the raw video and audio into it. (Project Manager needs a timeline of some sort to archive) Then use the Project Manager to archive the modified project.  If I need the project in the future, I'll need to open the original PP project and relink all the media from the archived "media only" project folder. 
Unbelievably, if you were to take this route and then re-edit the project in the future, it looks like you would run up against the same archiving issue AGAIN next time (At least using CS6). You'd have to go through all the steps above to archive it a second time. Depending on the size of your project, you may want to take option 2 and get the pain over with once-and-for-all.
Option 2: If you only have a couple of MXF files in the timeline (in my case I had mostly renders from AE by the time I was done and THAT raw project had archived in AE just fine) you can export the raw MXF files to another format, then replace the media in your project panel.  Finally, use the Project Manager to archive the project like you should have been able to in the first place if Adobe had written the code well in the first place!