User Guide to resolve "Backup Failed. Argument of Type 'bool' is Not Iterable" Issue

When a Wasabi cloud storage bucket associated with your Zmanda backup configuration is manually deleted, it will generate the error message "Backup failed. Argument of type 'bool' is not iterable".
Because the storage site is no longer there, prior backups become unusable.

To resolve this issue and continue your backup operations, follow these steps:

Step 1: Create a New Backupset

Create a new backupset in Zmanda and configure it to use Wasabi cloud storage as the destination.

Step 2: Backupset Configuration

Proceed with the backupset configuration. This is a crucial step, as it triggers Zmanda to recreate the Wasabi bucket and associated objects. By going through the configuration process, Zmanda will re-establish the necessary connections and recreate the storage bucket.

Step 3: Start New Backup Jobs

Once the configuration is complete, you can begin running new backup jobs. Zmanda will utilize the reconfigured Wasabi bucket to store the data that you need to back up.


  • Do Not Delete Zmanda Buckets: It is essential to avoid manually deleting storage buckets created by Zmanda. Deleting these buckets can disrupt your backup operations and make your previous backup data inaccessible.

  • Identifying Zmanda Buckets: Zmanda buckets can be identified by checking your backup configuration settings. In the configuration, you will find references to the Wasabi storage bucket associated with your Zmanda backupset. Avoid any manual deletion of these buckets to ensure the continuity of your backup operations.

By following these steps, you can address the "Backup failed. Argument of type 'bool' is not iterable" issue and resume your backup activities.
If you have further questions or encounter any issues, please reach out to our support team for assistance.