# 500 error when removing contacts from campaign

**URL:** https://forum.mautic.org/t/500-error-when-removing-contacts-from-campaign/11372
**Category:** Product Support
**Created:** [October 13, 2019, 12:33pm UTC](https://forum.mautic.org/t/500-error-when-removing-contacts-from-campaign/11372 "2019-10-13T12:33:09Z")
**Posts on this page:** 1
**Showing post:** 2

<div class="post-metadata">

### Author: ![virgilwashere](https://sea2.discourse-cdn.com/flex020/user_avatar/forum.mautic.org/virgilwashere/32/554_2.png) [@virgilwashere](https://forum.mautic.org/u/virgilwashere)
#### Post date: [October 14, 2019, 6:35am UTC](https://forum.mautic.org/t/500-error-when-removing-contacts-from-campaign/11372/2 "2019-10-14T06:35:57Z")

</div>

> [@angelsguitar1](#):
>
> Steps I have tried to fix the problem:
> 
> Tried to update database schema, but also shows an error and is unable to complete.

Hi there,

Give this a go:

Click on the … … … … … … … … … … … down arrow to expand and make it readable here. ⬇

> [@Updating safely to 2.15.3](https://forum.mautic.org/t/updating-safely-to-2-15-3/11337/16):
>
> finishing the upgrade After running console mautic:update:apply you very much want to do a hard cache:clear by deleting the app/cache/prod directory. $ rm -rf ./app/cache/prod $ console cache:clear [image] $ console --version Mautic version 2.15.3 - app/prod That should give you a working login page (/s/login), but check the database mappings and schema. database schema checks migration status $ console doctrine:migrations:status == Configuration \>\> Name: …

---

_[View the full topic](https://forum.mautic.org/t/500-error-when-removing-contacts-from-campaign/11372)._