# Plugin outlet debug tool keeps throwing errors

**URL:** https://meta.discourse.org/t/plugin-outlet-debug-tool-keeps-throwing-errors/372653
**Category:** Bug
**Created:** [July 2, 2025, 4:38pm UTC](https://meta.discourse.org/t/plugin-outlet-debug-tool-keeps-throwing-errors/372653 "2025-07-02T16:38:09Z")
**Posts on this page:** 1
**Showing post:** 1

<div class="post-metadata">

### Author: ![pangbo](https://sea3.discourse-cdn.com/meta/user_avatar/meta.discourse.org/pangbo/32/538562_2.png) [@pangbo](https://meta.discourse.org/u/pangbo)
#### Post date: [July 2, 2025, 4:38pm UTC](https://meta.discourse.org/t/plugin-outlet-debug-tool-keeps-throwing-errors/372653/1 "2025-07-02T16:38:09Z")

</div>

After activating the plugin outlet debug in Discourse Dev Tools, an error persistently appears whenever the mouse hovers over the outlet:

```plaintext
index.js:45 Uncaught (in promise) Error: cannot call `lastNode()` while `SimpleLiveBlock` is still initializing

```

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_[View the full topic](https://meta.discourse.org/t/plugin-outlet-debug-tool-keeps-throwing-errors/372653)._