# Restoring backup has no effect

**URL:** https://discuss.freedombox.org/t/restoring-backup-has-no-effect/1705
**Category:** Uncategorized
**Created:** [September 3, 2021, 9:18pm UTC](https://discuss.freedombox.org/t/restoring-backup-has-no-effect/1705 "2021-09-03T21:18:27Z")
**Posts on this page:** 1
**Showing post:** 9

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### Author: ![njoseph](https://discuss.freedombox.org/user_avatar/discuss.freedombox.org/njoseph/32/17_2.png) [@njoseph](https://discuss.freedombox.org/u/njoseph)
#### Post date: [September 12, 2021, 9:39am UTC](https://discuss.freedombox.org/t/restoring-backup-has-no-effect/1705/9 "2021-09-12T09:39:16Z")

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Looks familiar.

> [@MediaWiki content gone, "History" shows DBQueryError](https://discuss.freedombox.org/t/mediawiki-content-gone-history-shows-dbqueryerror/1703):
>
> I had a MediaWiki site and sometime recently (last week?) the content disappeared. When I click on History I see the following information: A database query error has occurred. This may indicate a bug in the software. … Fatal exception of type “Wikimedia\Rdbms\DBQueryError”` Note that this was before I updated to v. 21.7 (see [Upgrade to Bullseye - #22 by dgj](https://discuss.freedombox.org/t/upgrade-to-bullseye/1664/22)), although it appears to be a very recent issue. Any help with solving the issue? Also, is there any way to locate and backup the mis…

But then, DBQueryError is a common error that could be caused by various reasons. The same fix might not work for you. 🤐

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