[GH-ISSUE #18] TypeError: (intermediate value).resolve is not a function #9

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opened 2026-02-16 08:17:11 -05:00 by yindo · 3 comments
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Originally created by @patil-harshvardhan on GitHub (Mar 19, 2025).
Original GitHub issue: https://github.com/langchain-ai/create-agent-chat-app/issues/18

npx create-agent-chat-app@latest
followed through steps
then ran
npm run dev

Error

[1] agents:dev: - 🚀 API: http://localhost:2024
[1] agents:dev: - 🎨 Studio UI: https://smith.langchain.com/studio?baseUrl=http://localhost:2024
[1] agents:dev: 
[1] agents:dev: This in-memory server is designed for development and testing.
[1] agents:dev: For production use, please use LangGraph Cloud.
[1] agents:dev: 
[1] agents:dev: 
[1] agents:dev: error:   ▪ TypeError: (intermediate value).resolve is not a function
[1] agents:dev:     at spawnServer (file://node_modules/@langchain/langgraph-api/dist/cli/spawn.mjs:21:60)
[1] agents:dev:     at launchServer (file://node_modules/@langchain/langgraph-cli/dist/cli/dev.mjs:107:31)
Originally created by @patil-harshvardhan on GitHub (Mar 19, 2025). Original GitHub issue: https://github.com/langchain-ai/create-agent-chat-app/issues/18 npx create-agent-chat-app@latest followed through steps then ran npm run dev Error ``` [1] agents:dev: - 🚀 API: http://localhost:2024 [1] agents:dev: - 🎨 Studio UI: https://smith.langchain.com/studio?baseUrl=http://localhost:2024 [1] agents:dev: [1] agents:dev: This in-memory server is designed for development and testing. [1] agents:dev: For production use, please use LangGraph Cloud. [1] agents:dev: [1] agents:dev: [1] agents:dev: error: ▪ TypeError: (intermediate value).resolve is not a function [1] agents:dev: at spawnServer (file://node_modules/@langchain/langgraph-api/dist/cli/spawn.mjs:21:60) [1] agents:dev: at launchServer (file://node_modules/@langchain/langgraph-cli/dist/cli/dev.mjs:107:31) ```
yindo closed this issue 2026-02-16 08:17:11 -05:00
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@patil-harshvardhan commented on GitHub (Mar 19, 2025):

Laptop used macbook air m2

@patil-harshvardhan commented on GitHub (Mar 19, 2025): Laptop used macbook air m2
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@bracesproul commented on GitHub (Mar 26, 2025):

@patil-harshvardhan could you try switching your node version to 20.9.0?

@bracesproul commented on GitHub (Mar 26, 2025): @patil-harshvardhan could you try switching your node version to `20.9.0`?
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Owner

@patil-harshvardhan commented on GitHub (Mar 26, 2025):

Hi @bracesproul

thanks, upgrading node version to latest works

@patil-harshvardhan commented on GitHub (Mar 26, 2025): Hi @bracesproul thanks, upgrading node version to latest works
yindo changed title from TypeError: (intermediate value).resolve is not a function to [GH-ISSUE #18] TypeError: (intermediate value).resolve is not a function 2026-06-05 17:18:23 -04:00
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Reference: langchain-ai/create-agent-chat-app#9