Mail crashes when trying to open Time Machine since upgrade to Catalina

When attempting to open Time Machine for my primary email address, Mail closes and provides an error message. My iMac has the public version of Catalina installed. Time Machine works fine with lesser used email addresses and when looking for something via Finder. I get the following error message (I've only included the applicable part). Thanks for your insights!


System Integrity Protection: enabled


Crashed Thread: 0 Dispatch queue: NSManagedObjectContext 0x600000aeabc0


Exception Type: EXC_CRASH (SIGABRT)

Exception Codes: 0x0000000000000000, 0x0000000000000000

Exception Note: EXC_CORPSE_NOTIFY


Application Specific Information:

dyld3 mode

*** Terminating app due to uncaught exception 'NSInternalInconsistencyException', reason: 'Unexpected number of persistent stores (0), expected 1'

Error Domain=NSCocoaErrorDomain Code=256 "The file “Accounts.1063.db.timemachine” couldn’t be opened." UserInfo={NSFilePath=/var/folders/sz/jsgqcvq90nqcm7dnrxvq01m00000gq/T/com.apple.mail/Accounts.1063.db.timemachine, NSSQLiteErrorDomain=14}

˜∑Õãˇˇ

terminating with uncaught exception of type NSException

abort() called

Posted on Oct 11, 2019 9:06 AM

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Posted on Dec 20, 2019 6:57 AM

Richard.... I believe you misunderstood my solution. You still can not "Enter Time Machine" while in the Mail App. Mine crashes there as well. My solution, which I got from someone else is to use "FINDER" starting from the Home Folder. Then navigate to the Mail Folders "IN FINDER" then restore the mail box folders you want. You need to read my complete instructions for some things to watch out for.


However, maybe this will not work for your Time Machine Backup if it is located on a Network Storage Device (NAS). Mine is located on a directly attached backup usb drive. If yours is on a network server it might not have the same level of folder structure. But maybe another option similar to what I did.


I completely agree Apple needs to address this. But I simply could not wait and I found a workaround that worked for me and wanted to share with others that require access to older emails.

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48 replies

Dec 29, 2019 5:33 AM in response to scottfromniceville

It's been a long run with Apple. About 18 years since I switched my home computer from Windows. It's time to switch back. RIP Mr. Jobs. Since he's gone, the company could care less about quality products - yes he delivered late with his obsession with quality but the products worked. Not only is Apple silent on this Time Machine issue with their own Mail app, I can no longer play iTunes music that I uploaded from CDs on my Apple TVs. Decades of music collection trapped (or held hostage by Apple) on my Mac and iPhone. I have to subscribe to some lame app (iTunes Match) and pay for it to get something I've had for almost 20 years. Why should I have to pay Apple to share music I own across my devices? I'm an old Apple (Jobs) guy - I like to own my music, not rent it. Also I'm just not a cloud guy. I like my Mac and things stored on it and backed up by me. This is just the latest change by Apple that's pulled me back to the more simple (albeit less elegant) Windows.

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Mail crashes when trying to open Time Machine since upgrade to Catalina

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