# Discourse Retort
**URL:** https://meta.discourse.org/t/discourse-retort/35903
**Category:** Plugin
**Tags:** end-of-life
**Created:** [2015 年 11 月 22 日午前 11:53 UTC](https://meta.discourse.org/t/discourse-retort/35903 "2015-11-22T11:53:58Z")
**Posts on this page:** 1
**Showing post:** 286
### Author:  [@Blumiere](https://meta.discourse.org/u/Blumiere)
#### Post date: [2019 年 5 月 17 日午前 8:05 UTC](https://meta.discourse.org/t/discourse-retort/35903/286 "2019-05-17T08:05:15Z")
With this plugin installed my threads won’t load properly. Only the thread titles load when you enter them. I see this in my browser’s console when attempting to enter a thread as well:
```plaintext
jQuery.Deferred exception: _.contains is not a function TypeError: _.contains is not a function
at i.disabledFor (https://my.domain/assets/plugin-third-party-1d55784558cdcd6124db8591d65834deef8c0a9b8c91a3b36d1b974f222a6c4e.js:1:17654)
at https://my.domain/assets/plugin-third-party-1d55784558cdcd6124db8591d65834deef8c0a9b8c91a3b36d1b974f222a6c4e.js:1:18638
at https://my.domain/assets/application-1abdf3d6a5342abca6f161d4a9029f4ef1297449c34b2814446a56ceb8cf85cb.js:73:1207
at Array.map ()
at c (https://my.domain/assets/application-1abdf3d6a5342abca6f161d4a9029f4ef1297449c34b2814446a56ceb8cf85cb.js:73:1184)
at t.html (https://my.domain/assets/application-1abdf3d6a5342abca6f161d4a9029f4ef1297449c34b2814446a56ceb8cf85cb.js:71:15014)
at t.m [as draw] (https://my.domain/assets/application-1abdf3d6a5342abca6f161d4a9029f4ef1297449c34b2814446a56ceb8cf85cb.js:73:2257)
at t.value (https://my.domain/assets/application-1abdf3d6a5342abca6f161d4a9029f4ef1297449c34b2814446a56ceb8cf85cb.js:73:5322)
at i (https://my.domain/assets/vendor-0be2caae262101ee53b4a9b626a820c715f41bdbc380301c6827609341ccdb43.js:5:16633)
at r (https://my.domain/assets/vendor-0be2caae262101ee53b4a9b626a820c715f41bdbc380301c6827609341ccdb43.js:5:16563) undefined
Te.Deferred.exceptionHook @ _ember_jquery-0ae86c6a7527a99c2b9b8a11521273bd9cb4f7d41bc546df081b7ee94f26d9c3.js:3855
f @ _ember_jquery-0ae86c6a7527a99c2b9b8a11521273bd9cb4f7d41bc546df081b7ee94f26d9c3.js:3643
setTimeout (async)
(anonymous) @ _ember_jquery-0ae86c6a7527a99c2b9b8a11521273bd9cb4f7d41bc546df081b7ee94f26d9c3.js:3677
c @ _ember_jquery-0ae86c6a7527a99c2b9b8a11521273bd9cb4f7d41bc546df081b7ee94f26d9c3.js:3305
fireWith @ _ember_jquery-0ae86c6a7527a99c2b9b8a11521273bd9cb4f7d41bc546df081b7ee94f26d9c3.js:3435
fire @ _ember_jquery-0ae86c6a7527a99c2b9b8a11521273bd9cb4f7d41bc546df081b7ee94f26d9c3.js:3443
c @ _ember_jquery-0ae86c6a7527a99c2b9b8a11521273bd9cb4f7d41bc546df081b7ee94f26d9c3.js:3305
fireWith @ _ember_jquery-0ae86c6a7527a99c2b9b8a11521273bd9cb4f7d41bc546df081b7ee94f26d9c3.js:3435
ready @ _ember_jquery-0ae86c6a7527a99c2b9b8a11521273bd9cb4f7d41bc546df081b7ee94f26d9c3.js:3915
f @ _ember_jquery-0ae86c6a7527a99c2b9b8a11521273bd9cb4f7d41bc546df081b7ee94f26d9c3.js:3925
_ember_jquery-0ae86c6a7527a99c2b9b8a11521273bd9cb4f7d41bc546df081b7ee94f26d9c3.js:3864 Uncaught TypeError: _.contains is not a function
at i.disabledFor (_plugin-third-party-1d55784558cdcd6124db8591d65834deef8c0a9b8c91a3b36d1b974f222a6c4e.js:501)
at _plugin-third-party-1d55784558cdcd6124db8591d65834deef8c0a9b8c91a3b36d1b974f222a6c4e.js:544
at _application-1abdf3d6a5342abca6f161d4a9029f4ef1297449c34b2814446a56ceb8cf85cb.js:72229
at Array.map ()
at c (_application-1abdf3d6a5342abca6f161d4a9029f4ef1297449c34b2814446a56ceb8cf85cb.js:72228)
at t.html (_application-1abdf3d6a5342abca6f161d4a9029f4ef1297449c34b2814446a56ceb8cf85cb.js:69218)
at t.m [as draw] (_application-1abdf3d6a5342abca6f161d4a9029f4ef1297449c34b2814446a56ceb8cf85cb.js:72310)
at t.value (_application-1abdf3d6a5342abca6f161d4a9029f4ef1297449c34b2814446a56ceb8cf85cb.js:72487)
at i (_vendor-0be2caae262101ee53b4a9b626a820c715f41bdbc380301c6827609341ccdb43.js:18156)
at r (_vendor-0be2caae262101ee53b4a9b626a820c715f41bdbc380301c6827609341ccdb43.js:18143)
```
This error first appeared after I installed this plugin:
> [@Topic List Previews (legacy)](https://meta.discourse.org/t/topic-list-previews/101646):
>
> This is now a Theme Component, the plugin is deprecated The new Topic is [Topic List Previews Theme Component - theme - Discourse Meta](https://meta.discourse.org/t/topic-list-previews-theme-component/209973/1) [GitHub-Mark-32px] [Repository: get the code here](https://github.com/merefield/discourse-topic-list-previews-theme) See further here: [Pavilion](https://thepavilion.io/t/which-one-to-install-plugin-or-tc/3996?u=merefield) [sandbox] Examples: check out the list further down. [raising_hand_woman Request a feature](https://thepavilion.io/w/feature-request)[bug Report a bug](https://thepavilion.io/w/bug-report)heart Donate: we are reviewing our donations system. Please check back later :). man_technologist Maintainers: @merefieldOverview Topic List Previews allows you to: …
However, it persisted after I removed it. By process of elimination, I figured out that I will continue to have this error until Retort is removed from my plugin list specifically. Not sure if this is because of a code change related to Retort or because Topic List Previews makes some kind of permanent change that Retort doesn’t like.
---
_[View the full topic](https://meta.discourse.org/t/discourse-retort/35903)._