bad CPU error.

Tests show that this Macintosh does not perform some operations correctly. Most likely, you are using a defective accelerator board

hardware not installed error.

The file cannot be expanded because it was compressed with Sigma hardware and no hardware is installed in this Macintosh

The damaged file has been saved as “%s”.

NOTE: The original compressed file may be ok if the disk is not working correctly.

volume locked error. The disk is locked

duplicate filename. The file already exists

write permissions error. The file cannot be written to

permissions error. The file cannot be accessed

verify error.
The “Verify Writes” option has found that the disk cannot read and/or write data reliably.

bad hardware error. The compression hardware is not working correctly

hardware busy error. The compression hardware is already in use. Try again later

stack overflow error. If you're expanding a file, expand it by double-clicking it instead

write error. The file is already in use

I/O error (disk error). The disk is damaged or not operating properly.
Contact technical support for assistance

The disk is full.
There is not enough space on the disk to complete the operation

EOF error.
Some of the file is missing or the file is damaged.
Try using DD Verify/Repair to repair the file.

Checksum failed.
The file is damaged or the disk may not be working properly. See your user manual.

Unknown compression method.
The file was probably created by a more recent version of DiskDoubler.

Not enough memory to perform operation (%sK).
Try quitting applications and/or desk accessories, restart your Mac, and try again

the file is not a DiskDoubler file, or it may be severely damaged.
Try using DD Verify/Repair to repair the file

An error occurred with the file “%s”: %s.