# Mistake in contract deploy

**URL:** <https://forum.fuel.network/t/mistake-in-contract-deploy/2964>\
**Category:** Tooling and IDE\
**Created:** [August 2, 2023, 3:17pm UTC](https://forum.fuel.network/t/mistake-in-contract-deploy/2964 "2023-08-02T15:17:14Z")\
**Posts on this page:** 1\
**Showing post:** 4

<div class="post-metadata">

**Author:** ![sandusky](https://sea2.discourse-cdn.com/flex022/user_avatar/forum.fuel.network/sandusky/32/1313_2.png) [@sandusky](https://forum.fuel.network/u/sandusky)\
**Post date:** [August 2, 2023, 3:56pm UTC](https://forum.fuel.network/t/mistake-in-contract-deploy/2964/4 "2023-08-02T15:56:02Z")

</div>

So the issue is that you are using latest toolchain on beta-3 infra.

Please run

```auto
fuelup toolchain install beta-3

```

and then

```auto
fuelup default beta-3

```

Let me know if it works!

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