# Warning message - Expected there to be a temporary fileset for synthetic filelist (...), but none was found?

**URL:** https://forum.duplicati.com/t/warning-message-expected-there-to-be-a-temporary-fileset-for-synthetic-filelist-but-none-was-found/6328
**Category:** Support
**Tags:** canary
**Created:** [February 13, 2019, 1:15pm UTC](https://forum.duplicati.com/t/warning-message-expected-there-to-be-a-temporary-fileset-for-synthetic-filelist-but-none-was-found/6328 "2019-02-13T13:15:34Z")
**Posts on this page:** 1
**Showing post:** 4

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### Author: ![ts678](https://forum.duplicati.com/letter_avatar_proxy/v4/letter/t/8491ac/32.png) [@ts678](https://forum.duplicati.com/u/ts678)
#### Post date: [February 14, 2019, 3:44pm UTC](https://forum.duplicati.com/t/warning-message-expected-there-to-be-a-temporary-fileset-for-synthetic-filelist-but-none-was-found/6328/4 "2019-02-14T15:44:59Z")

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> [@henryg](#):
>
> I don’t think a backup was interrupted; nothing in the job log anyway.

The interrupted backup is the previous one. The warning is issued before continuation of backup begins.

> [@henryg](#):
>
> synthetic filelist (70, duplicati-i9c3da6fcb08a4a89b804d98f8e2724af.dindex.zip.aes

You did indeed have the incorrect case of a dindex file being named instead of the expected dlist (filelist).

> [@henryg](#):
>
> But there is now a problem as a a verify via the GUI gives an error message “Detected non-empty blocksets with no associated blocks!”

[Fatal error: Detected non-empty blocksets with no associated blocks](https://forum.duplicati.com/t/fatal-error-detected-non-empty-blocksets-with-no-associated-blocks/5938/3) is my initial thought on this, and it’s being pursued by a lot of people. Not knowing what it is in _that_ article, I don’t know if yours is the same…

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_[View the full topic](https://forum.duplicati.com/t/warning-message-expected-there-to-be-a-temporary-fileset-for-synthetic-filelist-but-none-was-found/6328)._