2/5/21 4:42:02 PM: Compressing catalog file [*] ArcDisk::arcExportSessionFileTo: failed to create "/Volumes/Your Drive/Backup Set/AC132135236690550000u.session" (voldex: 0): error -626 (unknown)
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If you see the following error:
2/5/21 4:42:02 PM: Compressing catalog file [*] ArcDisk::arcExportSessionFileTo: failed to create "/Volumes/Your Drive/Backup Set/AC132135236690550000u.session" (voldex: 0): error -626 (unknown)
It means that your .session file is larger than the 2GB maximum file size for Retrospect’s backup set files.
Your data is safely stored in the .rdb files. This .session file is to enable fast-catalog rebuild. You can ignore the error.
Last Update: February 8, 2021