# Help with Custom Rectangle tool button

**URL:** <https://pdfjs.community/t/help-with-custom-rectangle-tool-button/224>\
**Category:** Technical Support\
**Created:** [August 24, 2020, 6:23am UTC](https://pdfjs.community/t/help-with-custom-rectangle-tool-button/224 "2020-08-24T06:23:24Z")\
**Posts on this page:** 1\
**Showing post:** 4

<div class="post-metadata">

**Author:** ![Logan](https://yyz1.discourse-cdn.com/flex031/user_avatar/pdfjs.community/logan/32/13_2.png) [@Logan](https://pdfjs.community/u/Logan)\
**Post date:** [August 25, 2020, 7:07pm UTC](https://pdfjs.community/t/help-with-custom-rectangle-tool-button/224/4 "2020-08-25T19:07:34Z")

</div>

Hi there,

I cannot reproduce your issue. You can provide the code you are using to load PDF.js Express. It sounds like there is a file that is missing and cannot be loaded. You could also check the console for any 404s.

Thanks!

---

_[View the full topic](https://pdfjs.community/t/help-with-custom-rectangle-tool-button/224)._