| ERROR | file string block size string does not match set block size of string |
| CAUSE | A file was specified for inclusion in a backup set but it has a logical block size different from the rest of the files in the backup set. All files in a backup set must have the same logical block size. |
| ACTION | Specify a file that has the same block size as the rest of the files in the backup set. The conversation is still active and more files can be specified. |