# Knowledge Base search doesn't work

**URL:** <https://forums.unrealengine.com/t/knowledge-base-search-doesnt-work/1563594>\
**Category:** Feedback & Requests\
**Tags:** website, unreal-engine\
**Created:** [December 27, 2023, 3:29am UTC](https://forums.unrealengine.com/t/knowledge-base-search-doesnt-work/1563594 "2023-12-27T03:29:22Z")\
**Posts on this page:** 1\
**Page:** 1

<div class="post-metadata">

**Author:** ![AlanOndra](https://d3kjluh73b9h9o.cloudfront.net/original/4X/2/8/5/28502927f1d97ba1051b3b47ccfe17233bf41ef0.png) [@AlanOndra](https://forums.unrealengine.com/u/AlanOndra)\
**Post date:** [December 27, 2023, 3:29am UTC](https://forums.unrealengine.com/t/knowledge-base-search-doesnt-work/1563594/1 "2023-12-27T03:29:22Z")

</div>

The Search bar in the Knowledge Base simply doesn’t work.

Opening the debugger, I get the following error:

```auto
Uncaught TypeError: Cannot read properties of undefined (reading 'apply') at index.ts:646
    at $._join (index.ts:646:21)
    at $.join (index.ts:362:17)
    at p (index.js:156:1)
    at index.js:707:1
    at e.flaggedInstrument (index.js:126:1)
    at index.js:706:1
    at e.input (index.js:665:1)
    at e.trigger (core_view.js:63:1)
    at e.r [as trigger] (index.js:383:1)
    at e.trigger (ember-events.js:142:30)
    at e.r [as trigger] (index.js:383:1)
    at HTMLInputElement.o (ember-events.js:207:39)

```