Module not found: Can't resolve 'fs'

[ray040237]

你好，按照教程运行 yarn dev ，出现以下错误：
⨯ ./node_modules/@kwsites/file-exists/dist/src/index.js:6:13
Module not found: Can't resolve 'fs'

https://nextjs.org/docs/messages/module-not-found

Import trace for requested module:
./node_modules/@kwsites/file-exists/dist/index.js
./node_modules/simple-git/dist/esm/index.js
./node_modules/node-llama-cpp/dist/utils/cloneLlamaCppRepo.js
./node_modules/node-llama-cpp/dist/utils/getReleaseInfo.js
./node_modules/node-llama-cpp/dist/index.js
./node_modules/@langchain/community/dist/utils/llama_cpp.js
./node_modules/@langchain/community/dist/llms/llama_cpp.js
./node_modules/@langchain/community/llms/llama_cpp.js
./app/api/chat/route.ts
./node_modules/next/dist/build/webpack/loaders/next-edge-app-route-loader/index.js?absolutePagePath=D%3A%5Cjs%5Clangchain-nextjs-template-main%5Capp%5Capi%5Cchat%5Croute.ts&page=%2Fapi%2Fchat%2Froute&appDirLoader=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&nextConfigOutput=&preferredRegion=&middlewareConfig=e30%3D!

请问如何解决？

[chadfaurie]

check if ./app/api/chat/route.ts has export const runtime = "edge";

This would prevent access to the full node runtime, see this doc: https://nextjs.org/docs/app/building-your-application/rendering/edge-and-nodejs-runtimes