Fixing damaged partition map. The operation couldn't be completed. (com.apple.diskmanagement error 5. Operation failed

[bwakser]

I can’t do automatic backups to Time Machine anymore. I receive the error message:
“Unable to complete backup. An error occurred while creating the backup folder.”

I’ve run Disk Utility which gives me the following: “Fixing damaged partition map. The operation couldn’t be completed. (com.apple.diskmanagement error 5. Operation failed.”

[Trancer]

It means your hard drive’s partition is corrupted. Try formatting your hard drive completely in the Partition Tab within Disk Utility in order to create a fresh file system.

[rish]

Is there problem if i can’t formet it