# QueryString parse error when URI malformed

**URL:** <https://forum.builder.io/t/querystring-parse-error-when-uri-malformed/282>\
**Category:** Bugs\
**Created:** [November 5, 2020, 7:05pm UTC](https://forum.builder.io/t/querystring-parse-error-when-uri-malformed/282 "2020-11-05T19:05:56Z")\
**Posts on this page:** 5\
**Page:** 1

<div class="post-metadata">

**Author:** ![aubergine](https://sea2.discourse-cdn.com/flex020/user_avatar/forum.builder.io/aubergine/32/123_2.png) [@aubergine](https://forum.builder.io/u/aubergine)\
**Post date:** [November 5, 2020, 7:05pm UTC](https://forum.builder.io/t/querystring-parse-error-when-uri-malformed/282/1 "2020-11-05T19:05:56Z")

</div>

goto [https://builder.io/content?a=%](https://builder.io/content?a=%25)

```
Uncaught URIError: URI malformed
    at decodeURIComponent (<anonymous>)
    at Function.QueryString.parse

```

> <https://github.com/BuilderIO/builder/blob/77fe1e3d4f1bd1d4e4d057400bf2b80d42febb36/packages/core/src/classes/query-string.class.ts#L21>

---

<div class="post-metadata">

**Author:** ![kara](https://sea2.discourse-cdn.com/flex020/user_avatar/forum.builder.io/kara/32/80_2.png) [@kara](https://forum.builder.io/u/kara)\
**Post date:** [November 10, 2020, 1:15am UTC](https://forum.builder.io/t/querystring-parse-error-when-uri-malformed/282/2 "2020-11-10T01:15:37Z")

</div>

Would you mind providing a bit more information on where you’re experiencing this error. If you have a link to the content entry or live page, that would be helpful!

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<div class="post-metadata">

**Author:** ![aubergine](https://sea2.discourse-cdn.com/flex020/user_avatar/forum.builder.io/aubergine/32/123_2.png) [@aubergine](https://forum.builder.io/u/aubergine)\
**Post date:** [November 12, 2020, 6:17pm UTC](https://forum.builder.io/t/querystring-parse-error-when-uri-malformed/282/3 "2020-11-12T18:17:04Z")

</div>

> [@aubergine](#):
>
> goto [https://builder.io/content?a=%](https://builder.io/content?a=%25)

```
https://builder.io/content?a=%

```

Basically on any page where you provide malformed URI

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<div class="post-metadata">

**Author:** ![kara](https://sea2.discourse-cdn.com/flex020/user_avatar/forum.builder.io/kara/32/80_2.png) [@kara](https://forum.builder.io/u/kara)\
**Post date:** [November 19, 2020, 11:18pm UTC](https://forum.builder.io/t/querystring-parse-error-when-uri-malformed/282/4 "2020-11-19T23:18:11Z")

</div>

Thank you, I’ve passed this information to the team to investigate!

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<div class="post-metadata">

**Author:** ![kara](https://sea2.discourse-cdn.com/flex020/user_avatar/forum.builder.io/kara/32/80_2.png) [@kara](https://forum.builder.io/u/kara)\
**Post date:** [March 23, 2021, 9:39pm UTC](https://forum.builder.io/t/querystring-parse-error-when-uri-malformed/282/5 "2021-03-23T21:39:22Z")

</div>

@aubergine Thanks for your patience, this should be resolved!