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[GH-ISSUE #16] UI not found #8

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opened 2026-02-16 08:17:11 -05:00 by yindo · 1 comment
yindo commented 2026-02-16 08:17:11 -05:00
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Originally created by @jayabrams on GitHub (Mar 18, 2025).
Original GitHub issue: https://github.com/langchain-ai/create-agent-chat-app/issues/16

hi i've confirmed my setup is correct but am seeing this in browser console

async_caller.js:65 Uncaught (in promise) HTTPError: HTTP 404: UI not found for agent "agent"
    at HTTPError.fromResponse (async_caller.js:65:20)
    at async eval (async_caller.js:141:23)
    at async RetryOperation.eval [as _fn] (index.js:50:12)

langgraph.json

{
    "node_version": "20",
    "dependencies": ["."],
    "graphs": {
        "agent": "./apps/agents/src/graphs/supervisor/index.ts:graph"
    },
    "ui": {
        "agent": "./apps/agents/src/agent-uis/index.tsx"
    },
    "env": ".env"
}
Originally created by @jayabrams on GitHub (Mar 18, 2025). Original GitHub issue: https://github.com/langchain-ai/create-agent-chat-app/issues/16 hi i've confirmed my setup is correct but am seeing this in browser console ``` async_caller.js:65 Uncaught (in promise) HTTPError: HTTP 404: UI not found for agent "agent" at HTTPError.fromResponse (async_caller.js:65:20) at async eval (async_caller.js:141:23) at async RetryOperation.eval [as _fn] (index.js:50:12) ``` `langgraph.json` ``` { "node_version": "20", "dependencies": ["."], "graphs": { "agent": "./apps/agents/src/graphs/supervisor/index.ts:graph" }, "ui": { "agent": "./apps/agents/src/agent-uis/index.tsx" }, "env": ".env" } ```
yindo closed this issue 2026-02-16 08:17:11 -05:00
yindo commented 2026-02-16 08:17:11 -05:00
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@jayabrams commented on GitHub (Mar 18, 2025):

my apologies it was a simple fix in the tsconfig, wasn't picking up the entry for the ui files.

@jayabrams commented on GitHub (Mar 18, 2025): my apologies it was a simple fix in the `tsconfig`, wasn't picking up the entry for the ui files.
yindo changed title from UI not found to [GH-ISSUE #16] UI not found 2026-06-05 17:18:23 -04:00
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Reference: langchain-ai/create-agent-chat-app#8
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