Time Machine disk snapshot
Time Machine could not back up the disk “iMac SSD” because a snapshot of the disk could not be created.
iMac
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Time Machine could not back up the disk “iMac SSD” because a snapshot of the disk could not be created.
iMac
How much free space on your HardDrive?
Safe Boot, (holding Shift key down at startup), does the problem occur in Safe Mode? Could take 10 minutes or more.
Safe mode attempts to repair Disks & clears lots of caches & loads safe Drivers, & prevents loading of 3rd party extensions, so if Safe Mode works try again in regular boot.
How much free space on your HardDrive?
Safe Boot, (holding Shift key down at startup), does the problem occur in Safe Mode? Could take 10 minutes or more.
Safe mode attempts to repair Disks & clears lots of caches & loads safe Drivers, & prevents loading of 3rd party extensions, so if Safe Mode works try again in regular boot.
Thanks for you suggestions, but the problem has corrected itself.
Time Machine disk snapshot