# Error restoring backup "key is duplicated"

**URL:** <https://meta.discourse.org/t/error-restoring-backup-key-is-duplicated/68999>\
**Category:** Self-hosting\
**Created:** [August 29, 2017, 3:40pm UTC](https://meta.discourse.org/t/error-restoring-backup-key-is-duplicated/68999 "2017-08-29T15:40:45Z")\
**Posts on this page:** 1\
**Showing post:** 4

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**Author:** ![appcomq](https://sea3.discourse-cdn.com/meta/user_avatar/meta.discourse.org/appcomq/32/84767_2.png) [@appcomq](https://meta.discourse.org/u/appcomq)\
**Post date:** [August 29, 2017, 11:54pm UTC](https://meta.discourse.org/t/error-restoring-backup-key-is-duplicated/68999/4 "2017-08-29T23:54:23Z")

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😥😥

but the server has reinstll OS, so I lost my forum 50,000 user. 😣😣

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