Time Machine Error: An error occurred while creating the backup directory

Time Machine Error: Unable to complete backup. An error occured while creating the backup directory.
I back up to wirelessly to a Time Capsule. I get these errors often. I'll go for a few days with everything working and then encounter these errors. I've even completely erased the Time Capsule drive and started over. It'll work fine for a few days and then start the errors over again. Interestingly, when the errors occur, the Time Capsule drive can not be unmounted even if clicking the eject button. I am on 10.5.8 but it happened in 10.5.7 as well. I have another Mac that doesn't seem to have any issues with the same Time Capsule.
Here's a log - they all seem to fail with similar errors:
Starting standard backup
Backup destination alias resolved to path: /Volumes/AirPort Disk
Disk image /Volumes/AirPort Disk/Brittney’s Computer_0019e33d4fde.sparsebundle mounted at: /Volumes/Backup of Brittney’s Computer
Backing up to: /Volumes/Backup of Brittney’s Computer/Backups.backupdb
2009-08-27 13:52:48.465 FindSystemFiles[2955:713] Querying receipt database for system packages
2009-08-27 13:52:48.693 FindSystemFiles[2955:713] Using system path cache.
Failed to create progress log file at path:/Volumes/Backup of Brittney’s Computer/Backups.backupdb/Brittney’s Computer/2009-08-26-212437.inProgress/.Backup.273091970.250248.log.
Error: (-50) Creating directory 7CCE60DD-ADCC-4004-A0D9-3EC83D892372
Failed to make snapshot.
Backup failed with error: 2
Failed to eject volume /Volumes/Backup of Brittney’s Computer (FSVolumeRefNum: -114; status: -47; dissenting pid: 0)

Nancy H wrote:
I used it as it came, supposedly formatted for a mac.
It may or may not be right.
I'd be inclined to start over, per #5 in the Frequently Asked Questions *User Tip* at the top of this forum.
If that doesn't help, go on to #C10, etc., in the Troubleshooting Tip, as in the previous post.

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  • Error while creating the backup directory

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