# Node red editor not loading on IE Edge browser

**URL:** <https://discourse.nodered.org/t/node-red-editor-not-loading-on-ie-edge-browser/17049>\
**Category:** Core Development\
**Created:** [23 October 2019 11:00 UTC](https://discourse.nodered.org/t/node-red-editor-not-loading-on-ie-edge-browser/17049 "2019-10-23T11:00:51Z")\
**Posts on this page:** 3\
**Page:** 1

<div class="post-metadata">

**Author:** ![Surendra](https://avatars.discourse-cdn.com/v4/letter/s/958977/32.png) [@Surendra](https://discourse.nodered.org/u/Surendra)\
**Post date:** [23 October 2019 11:00 UTC](https://discourse.nodered.org/t/node-red-editor-not-loading-on-ie-edge-browser/17049/1 "2019-10-23T11:00:51Z")

</div>

Node red editor is working fine on Chrome and Firefox browser, but on IE edge it's throwing an error: "RED" is not defined.

---

<div class="post-metadata">

**Author:** ![ukmoose](https://sea2.discourse-cdn.com/flex026/user_avatar/discourse.nodered.org/ukmoose/32/13_2.png) [@ukmoose](https://discourse.nodered.org/u/ukmoose)\
**Post date:** [23 October 2019 11:03 UTC](https://discourse.nodered.org/t/node-red-editor-not-loading-on-ie-edge-browser/17049/2 "2019-10-23T11:03:36Z")

</div>

What version of node-RED?

---

<div class="post-metadata">

**Author:** ![Surendra](https://avatars.discourse-cdn.com/v4/letter/s/958977/32.png) [@Surendra](https://discourse.nodered.org/u/Surendra)\
**Post date:** [23 October 2019 11:04 UTC](https://discourse.nodered.org/t/node-red-editor-not-loading-on-ie-edge-browser/17049/3 "2019-10-23T11:04:24Z")

</div>

Node red version - 0.20.5