Error message : Command failed with exit code 255

[coelmay]

Hi @Gao-xiao

Have you checked out the Hugo section of

[Support Guide] Frequently encountered problems during builds

Last reviewed by Netlify Support - July 2025 Overview Sites on Netlify can be built using a variety of tools — different frameworks, programming languages and approaches. It can be incredibly frustrating to see your site fail to build! If you have a build on Netlify that is failing with an error message that you don’t understand, you are not alone. Here you’ll find some common build failure messages, and probable solutions to their causes. If you’re looking for more general information on build…

Or searched hugo code 255 in these forums?

Also check out

[Support Guide] Compiled Build and Deploy Resources -- start here!

Last reviewed by Netlify Support in July 2025 We want to help you build and deploy your site as easily as possible. Our team has written numerous support guides on frequently encountered problems during builds, build/deploy behaviour, drag and drop deploys, and more. In an effort to streamline your searching, we have compiled a list of our Support Guides related to builds and deploys. Each guide contains a ton of useful debugging tips that can likely help you solve your problem. Troubleshootin…

Unfortunately seeing the error message out of context does not help. If you cannot solve the issue with the above links, please share the link to the deploy log, (or paste it here inside a pre-formatted text block here) and share the repository you are deploying from.