# Ricostruzione fallisce a causa di un gem mancante

**URL:** <https://meta.discourse.org/t/rebuild-fails-due-to-missing-gem/85009>\
**Category:** Product Support\
**Created:** [10 Aprile 2018, 6:47pm UTC](https://meta.discourse.org/t/rebuild-fails-due-to-missing-gem/85009 "2018-04-10T18:47:00Z")\
**Posts on this page:** 1\
**Showing post:** 19

<div class="post-metadata">

**Author:** ![Jay91](https://sea3.discourse-cdn.com/meta/user_avatar/meta.discourse.org/jay91/32/135181_2.png) [@Jay91](https://meta.discourse.org/u/Jay91)\
**Post date:** [10 Aprile 2018, 9:29pm UTC](https://meta.discourse.org/t/rebuild-fails-due-to-missing-gem/85009/19 "2018-04-10T21:29:22Z")

</div>

```
I, [2018-04-10T20:54:58.729171 #14] INFO -- : > cd /var/www/discourse && su dis course -c 'bundle exec rake db:migrate'
rake aborted!
Gem::MissingSpecError: Could not find 'mime-types' (>= 1.6) among 260 total gem(s)
Checked in 'GEM_PATH=/var/www/discourse/vendor/bundle/ruby/2.4.0', execute `gem env` for more information
/var/www/discourse/lib/plugin_gem.rb:18:in `load'

```

The output as above.

Thanks in advance.

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