# Build errors on forc 0.66.10

**URL:** <https://forum.fuel.network/t/build-errors-on-forc-0-66-10/8439>\
**Category:** Sway\
**Created:** [February 5, 2025, 1:46pm UTC](https://forum.fuel.network/t/build-errors-on-forc-0-66-10/8439 "2025-02-05T13:46:59Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![guimroque](https://sea2.discourse-cdn.com/flex022/user_avatar/forum.fuel.network/guimroque/32/1462_2.png) [@guimroque](https://forum.fuel.network/u/guimroque)\
**Post date:** [February 5, 2025, 1:46pm UTC](https://forum.fuel.network/t/build-errors-on-forc-0-66-10/8439/1 "2025-02-05T13:46:59Z")

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Today updated my to chain, to sync with [fuels-ts](https://github.com/FuelLabs/fuels-ts/releases), but i recevied many errors on compile my sway code…  
My fuels-ts → 0.99.0  
build comand: `fuels build`

that`s my toolchain config

 ![image](https://us1.discourse-cdn.com/flex022/uploads/fuel/original/2X/3/380294782cdfb9389a045b86f05bb518076927cc.png)

that`s my errors:

 ![image](https://us1.discourse-cdn.com/flex022/uploads/fuel/original/2X/2/23352c28e60d6b3b6c315189ef246cbd0ff5e1e5.png)  
 ![image](https://us1.discourse-cdn.com/flex022/uploads/fuel/original/2X/f/f3408e271cf19e2a0b337d7b27859f0e758d4615.png)

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<div class="post-metadata">

**Author:** ![p.s](https://sea2.discourse-cdn.com/flex022/user_avatar/forum.fuel.network/p.s/32/2491_2.png) [@p.s](https://forum.fuel.network/u/p.s)\
**Post date:** [February 5, 2025, 2:06pm UTC](https://forum.fuel.network/t/build-errors-on-forc-0-66-10/8439/2 "2025-02-05T14:06:59Z")

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Hey @guimroque 👋

We performed a [fix](https://github.com/FuelLabs/sway-libs/pull/323) for the `sway-libs` in release [`v0.24.2`](https://github.com/FuelLabs/sway-libs/releases/tag/v0.24.2) that should resolve this issue.

If you upgrade, this should resolve your issues 🙂

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**Author:** ![system](https://us1.discourse-cdn.com/flex022/uploads/fuel/original/2X/5/57d5a345cc15a64b636e0d56e042857f8a0e80b1.png) [@system](https://forum.fuel.network/u/system)\
**Post date:** [February 26, 2025, 10:07am UTC](https://forum.fuel.network/t/build-errors-on-forc-0-66-10/8439/3 "2025-02-26T10:07:54Z")

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