# Migration vers bullseye impossible

**URL:** https://forum.yunohost.org/t/migration-vers-bullseye-impossible/37606
**Category:** Support
**Tags:** french
**Created:** [July 3, 2025, 12:04pm UTC](https://forum.yunohost.org/t/migration-vers-bullseye-impossible/37606 "2025-07-03T12:04:01Z")
**Posts on this page:** 1
**Showing post:** 8

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### Author: ![arjz](https://forum.yunohost.org/letter_avatar_proxy/v4/letter/a/dbc845/32.png) [@arjz](https://forum.yunohost.org/u/arjz)
#### Post date: [July 3, 2025, 1:13pm UTC](https://forum.yunohost.org/t/migration-vers-bullseye-impossible/37606/8 "2025-07-03T13:13:19Z")

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ce topic m’a aidé a relancer les apt update et upgrade:

> [@Something went wrong while updating the cache of APT (due to SURY) (version 2024)](https://forum.yunohost.org/t/something-went-wrong-while-updating-the-cache-of-apt-due-to-sury-version-2024/28570):
>
> uk/us What to do if you have an error while updating the repo ? I just had an error while trying to update my server : [multiple sources listed here] W: Some index files failed to download. They have been ignored, or old ones used instead. W: Failed to fetch https://packages.sury.org/php/dists/bullseye/InRelease The following signatures were invalid: EXPKEYSIG B188E2B695BD4743 DEB.SURY.ORG Automatic Signing Key W: An error occurred during the signature verification. The repository is no…

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