# Upgraded last night and login button no longer works

**URL:** https://meta.discourse.org/t/upgraded-last-night-and-login-button-no-longer-works/57674
**Category:** Support
**Created:** [2월 20, 2017, 4:34오후 UTC](https://meta.discourse.org/t/upgraded-last-night-and-login-button-no-longer-works/57674 "2017-02-20T16:34:55Z")
**Posts on this page:** 1
**Showing post:** 2

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### Author: ![sam](https://sea3.discourse-cdn.com/meta/user_avatar/meta.discourse.org/sam/32/102149_2.png) [@sam](https://meta.discourse.org/u/sam)
#### Post date: [2월 20, 2017, 4:37오후 UTC](https://meta.discourse.org/t/upgraded-last-night-and-login-button-no-longer-works/57674/2 "2017-02-20T16:37:41Z")

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Have you tried [safe mode](https://meta.discourse.org/t/53504?silent=true)?

> [@Using Safe Mode to troubleshoot issues with themes and plugins](https://meta.discourse.org/t/how-to-use-discourse-safe-mode/53504):
>
> bookmark This guide explains how to use Discourse’s [Safe Mode](https://meta.discourse.org/t/53504?silent=true) to troubleshoot issues with themes and plugins. person_raising_hand Required user level: All users Discourse offers a “JavaScript [Safe Mode](https://meta.discourse.org/t/53504?silent=true)” that allows any user to isolate the root cause of JavaScript issues caused by plugins, themes, or theme components. This feature is particularly useful for troubleshooting problems on your Discourse site. Accessing [Safe Mode](https://meta.discourse.org/t/53504?silent=true) To access [Safe Mode](https://meta.discourse.org/t/53504?silent=true), follow these steps: Open a new browse…

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