Error: Sandbox was mandated, but no sandbox is available!
Resolved 💬 4 comments Opened Apr 17, 2025 by LuSrodri Closed Apr 17, 2025
Hello everyone!
I am having this issue. What would be?
boomg@LAPTOP-GD55J8ID MINGW64 ~/Documents/workspace/ws-web/landing-page-yagua (main)
$ codex
╭──────────────────────────────────────────────────────────────╮
│ ● OpenAI Codex (research preview) v0.1.2504161551 │
╰──────────────────────────────────────────────────────────────╯
╭──────────────────────────────────────────────────────────────╮
│ localhost session: 05704d5922a9489b91365fa3b0800bc7 │
│ ↳ workdir: ~\...\ws-web\landing-page-yagua │
│ ↳ model: o4-mini │
│ ↳ approval: suggest │
╰──────────────────────────────────────────────────────────────╯
system
Switched approval mode to full-auto
system
Switched model to o4-mini
system
Switched model to gpt-4.1-mini
user
Hey!
codex
Hey! How can I help you today?
user
Hey!
Can you do a mockup, using Plain HTML/CSS with the most recent best pratices. Follows this webpage:
https://materiais.syos.com/solucao-syos-para-supermercado?utm_source=facebook&utm_medium=cpc&utm_campaign=interesses-2025&dk_placement=feed&dk_target=grupo-
7&dk_ad=supermercados-pricing&dk_canal=midia-paga&utm_id=120216122827630135&utm_content=120220233288930135&utm_term=120220233288880135&fbclid=PAY2xjawJjkl9l
eHRuA2FlbQEwAGFkaWQBqxuqdfcflwGn6QSFcPFmFOytPgd2ZQZHsEIqCwGZ01XziVU_l23jIzk_pXBHujB8RPgTnWg_aem_LLKjXwKPpUYgah9MvgXp-g . In this first moment, you can apply
chances in the best way you will find.
codex
Got it. I'll create a plain HTML/CSS mockup based on the referenced webpage using modern best practices, focusing on semantic structure, responsiveness,
accessibility, and clean styling. I'll adapt and improve the structure and style where it makes sense, but not replicate the entire page content (only
the visible main layout and structure elements).
Let's start with a simple but scalable layout that contains:
* A header with navigation and branding
* A main hero section with headline, subhead, and CTA
* Some feature/info sections below
* A footer
I'll create a new file with the mockup now.
command
$ head -70
command.stdout (code: 0, duration: 0.1s)
╭──────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────╮
│( ● ) Thinking. │
╰──────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────╯
send q or ctrl+c to exit | send "/clear" to reset | send "/help" for commands | press enter to send
file:///C:/Users/boomg/AppData/Roaming/nvm/v23.11.0/node_modules/@openai/codex/dist/cli.js:439
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^
Error: Sandbox was mandated, but no sandbox is available!
at Q3e (file:///C:/Users/boomg/AppData/Roaming/nvm/v23.11.0/node_modules/@openai/codex/dist/cli.js:439:254)
at async EN (file:///C:/Users/boomg/AppData/Roaming/nvm/v23.11.0/node_modules/@openai/codex/dist/cli.js:437:5568)
at async Tte (file:///C:/Users/boomg/AppData/Roaming/nvm/v23.11.0/node_modules/@openai/codex/dist/cli.js:437:4863)
at async R0.handleFunctionCall (file:///C:/Users/boomg/AppData/Roaming/nvm/v23.11.0/node_modules/@openai/codex/dist/cli.js:461:3960)
at async R0.processEventsWithoutStreaming (file:///C:/Users/boomg/AppData/Roaming/nvm/v23.11.0/node_modules/@openai/codex/dist/cli.js:462:4719)
at async R0.run (file:///C:/Users/boomg/AppData/Roaming/nvm/v23.11.0/node_modules/@openai/codex/dist/cli.js:462:3045)
Node.js v23.11.0This issue has 4 comments on GitHub. Read the full discussion on GitHub ↗