I HAVE A SOLUTION FOR THE ONES WITHOUT RECOVERY TIME MACHINE BACKUP STUFF.
So basically is this bloody framework update for iphone. dont update and keep transfering files via airdrop!
you have to replace the latest framework for an old one.
I copied the one from my backup time machine folder to my desktop and replaced the new one.
here is how i did.
1. restart your mac in recovery mode (Command + R) and run terminal
2. type csrutil disable reboot your mac
3. delete the conflictive framework (you will be able to do it now) ,copy the old framework and paste it in same address of the conflictive one.
4. try FCPX, if not working is because you paste it wrongly; if works reboot in Recovery mode, run terminal and write csrutil enable. reboot again
I just dove into this nightmare yesterday and have not been able to figure it out with help on the Apple Forum. I couldn't figure out what possibly could have changed with my 2013 MacBook Pro running High Sierra in the few days since I did my last project. This might be my answer. Switched to new iPhone SE and new GoPro 9 Black purchased in the last week, so accompanying software of one of those likely is the culprit.
To the Genius Bar I go.. but I'm taking a screen shot of your post with me. It's a cruel glitch. Put a lot of time into a project it looks like I might lose.
OMG man! You're a life saver. I was going crazy here trying everything and reading all forums and sites I could possibly read until I found this page and your comments. It worked perfectly for me. I'm using a Macbook Pro Early 2011 with macOS High Sierra 10.13.6. Guys, don't hesitate and just do it. It really works. Thanks A LOT for sharing!!!
@vagabundo your google drive link saved us! Same problem as everyone else, did an iTunes update which affected the Mobile Framework but we did NOT have a time machine backup to restore the file. We followed the instructions that vagabundo posted above, using his MobileDevice.framework posted on the google drive link and pasted it here: /System/Library/PrivateFrameworks/ (after disabling csrutil of course). Then FCP worked like a charm.
Same issue after updating iTunes 126.96.36.199 to be compatible with iphone iOS 14.0.1.
Same solution: replacing the new framework with an old one.
Thanks a lot for sharing this. It saved a lot of time and effort.
Thank you for your help, i had this issue this week on High Sierra 10.13.6 and FCPX 10.3.4, and find a Youtube video that explained the same issue and solution.
As other users, I m wondering this:
This solves the fcpx exportation issue, but if I need to conect my iphone or ipad to my mac, it will not work (the sync woks by wi-fi, but in case of restoring it would’t).
I can't thank you enough for your post. You literally saved the day for me. With a nasty, very public deadline I was completely stymied by FCPX crashing every time I tried to export.
Over many years of picture editing I have observed the ‘never change anything on your system mid project’ rule, but foolishly I upgraded my iphone IOS to be able to load the NHS Track and Trace app, and had to load an itunes patch to make my Mac compatible with the new IOS on the iphone and I ended up with my export problem. I can’t back up my iphone but at least the project was delivered and shown...
Your attention to detail, thoroughness of including the Mobile framework link and clarity of instructions was superb. I don't know what i would have done with out you!