# Builder block error :( in NextJS

**URL:** <https://forum.builder.io/t/builder-block-error-in-nextjs/1156>\
**Category:** Technical Questions\
**Tags:** visual-editor, react, nextjs\
**Created:** [October 11, 2021, 2:49pm UTC](https://forum.builder.io/t/builder-block-error-in-nextjs/1156 "2021-10-11T14:49:56Z")\
**Posts on this page:** 2\
**Page:** 1

<div class="post-metadata">

**Author:** ![Niko](https://avatars.discourse-cdn.com/v4/letter/n/91b2a8/32.png) [@Niko](https://forum.builder.io/u/Niko)\
**Post date:** [October 11, 2021, 2:49pm UTC](https://forum.builder.io/t/builder-block-error-in-nextjs/1156/1 "2021-10-11T14:49:56Z")

</div>

_Please fill out as many of the following questions as possible so we can help you promptly! If you don’t know how to answer or it does not apply, feel free to remove it or leave it blank._

**Builder content link**

**Builder public api key**

**What are you trying to accomplish**  
Implementing Builder with a predefined template (Barcode)

**Screenshots or video link**

 ![image](https://us1.discourse-cdn.com/flex020/uploads/builder/original/1X/547aedfb02d634cccf23cbc2b65740f65b4e8430.png)

**Code stack you are integrating Builder with**  
NextJS

---

<div class="post-metadata">

**Author:** ![Niko](https://avatars.discourse-cdn.com/v4/letter/n/91b2a8/32.png) [@Niko](https://forum.builder.io/u/Niko)\
**Post date:** [October 11, 2021, 3:36pm UTC](https://forum.builder.io/t/builder-block-error-in-nextjs/1156/2 "2021-10-11T15:36:42Z")

</div>

I just realized that the template is making this error.