[antara]

Here is the last part of the log.
What can I do?
antara

| 02:01:21 PM | Info | /Volumes/Antara/Applications
| 02:21:10 PM | Info | WARNING: Caught I/O exception(5): Input/output error
| 02:21:10 PM | Info | WARNING: Source: /Volumes/Antara/Applications/Thunderbird.app/Contents/MacOS/thunderbird-bin, lstat(): 0
| 02:21:10 PM | Info | WARNING: Target: /Volumes/Antara Clone/Applications/Thunderbird.app/Contents/MacOS/thunderbird-bin, lstat(): 0
| 02:21:10 PM | Info | Attempting to copy file using ditto.
| 02:22:05 PM | Error | ditto: /Volumes/Antara/Applications/Thunderbird.app/Contents/MacOS/thunderbird-bin: Input/output error