error when build

[snowinszu]

When run "npm run build", there is an error:
Nested Middleware is not allowed, found:
pages/_middleware
pages/v/[id]/_middleware

[dylanjha]

Running yarn build works for me on latest main ref

Build logs

~/code/@muxinc/stream.new main
❯ g status
On branch main
Your branch is up to date with 'origin/main'.

nothing to commit, working tree clean
Execution time: 0.03s

~/code/@muxinc/stream.new main
❯ yarn
yarn install v1.22.19
warning ../../package.json: No license field
[1/4] 🔍  Resolving packages...
[2/4] 🚚  Fetching packages...
[3/4] 🔗  Linking dependencies...
warning " > swr@0.2.3" has incorrect peer dependency "react@^16.11.0".
warning " > babel-jest@27.5.1" has unmet peer dependency "@babel/core@^7.8.0".
warning "babel-jest > babel-preset-jest@27.5.1" has unmet peer dependency "@babel/core@^7.0.0".
warning "babel-jest > babel-preset-jest > babel-preset-current-node-syntax@1.0.1" has unmet peer dependency "@babel/core@^7.0.0".
warning "babel-jest > babel-preset-jest > babel-preset-current-node-syntax > @babel/plugin-syntax-async-generators@7.8.4" has unmet peer dependency "@babel/core@^7.0.0-0".
warning "babel-jest > babel-preset-jest > babel-preset-current-node-syntax > @babel/plugin-syntax-bigint@7.8.3" has unmet peer dependency "@babel/core@^7.0.0-0".
warning "babel-jest > babel-preset-jest > babel-preset-current-node-syntax > @babel/plugin-syntax-class-properties@7.12.13" has unmet peer dependency "@babel/core@^7.0.0-0".
warning "babel-jest > babel-preset-jest > babel-preset-current-node-syntax > @babel/plugin-syntax-import-meta@7.10.4" has unmet peer dependency "@babel/core@^7.0.0-0".
warning "babel-jest > babel-preset-jest > babel-preset-current-node-syntax > @babel/plugin-syntax-json-strings@7.8.3" has unmet peer dependency "@babel/core@^7.0.0-0".
warning "babel-jest > babel-preset-jest > babel-preset-current-node-syntax > @babel/plugin-syntax-logical-assignment-operators@7.10.4" has unmet peer dependency "@babel/core@^7.0.0-0".
warning "babel-jest > babel-preset-jest > babel-preset-current-node-syntax > @babel/plugin-syntax-nullish-coalescing-operator@7.8.3" has unmet peer dependency "@babel/core@^7.0.0-0".
warning "babel-jest > babel-preset-jest > babel-preset-current-node-syntax > @babel/plugin-syntax-numeric-separator@7.10.4" has unmet peer dependency "@babel/core@^7.0.0-0".
warning "babel-jest > babel-preset-jest > babel-preset-current-node-syntax > @babel/plugin-syntax-object-rest-spread@7.8.3" has unmet peer dependency "@babel/core@^7.0.0-0".
warning "babel-jest > babel-preset-jest > babel-preset-current-node-syntax > @babel/plugin-syntax-optional-catch-binding@7.8.3" has unmet peer dependency "@babel/core@^7.0.0-0".
warning "babel-jest > babel-preset-jest > babel-preset-current-node-syntax > @babel/plugin-syntax-optional-chaining@7.8.3" has unmet peer dependency "@babel/core@^7.0.0-0".
warning "babel-jest > babel-preset-jest > babel-preset-current-node-syntax > @babel/plugin-syntax-top-level-await@7.14.5" has unmet peer dependency "@babel/core@^7.0.0-0".
warning " > enzyme-adapter-react-16@1.15.6" has incorrect peer dependency "react@^16.0.0-0".
warning " > enzyme-adapter-react-16@1.15.6" has incorrect peer dependency "react-dom@^16.0.0-0".
warning "enzyme-adapter-react-16 > enzyme-adapter-utils@1.14.0" has incorrect peer dependency "react@0.13.x || 0.14.x || ^15.0.0-0 || ^16.0.0-0".
warning "enzyme-adapter-react-16 > react-test-renderer@16.14.0" has incorrect peer dependency "react@^16.14.0".
warning "enzyme-adapter-react-16 > enzyme-adapter-utils > airbnb-prop-types@2.16.0" has incorrect peer dependency "react@^0.14 || ^15.0.0 || ^16.0.0-alpha".
[4/4] 🔨  Building fresh packages...
✨  Done in 3.92s.
Execution time: 4.48s

~/code/@muxinc/stream.new main
❯ yarn build
yarn run v1.22.19
warning ../../package.json: No license field
$ yarn lint && next build
warning ../../package.json: No license field
$ yarn eslint . --ext .js,.jsx,.ts,.tsx
warning ../../package.json: No license field
$ /Users/djhaveri/code/@muxinc/stream.new/node_modules/.bin/eslint . --ext .js,.jsx,.ts,.tsx
=============

WARNING: You are currently running a version of TypeScript which is not officially supported by @typescript-eslint/typescript-estree.

You may find that it works just fine, or you may not.

SUPPORTED TYPESCRIPT VERSIONS: >=3.3.1 <4.5.0

YOUR TYPESCRIPT VERSION: 4.5.5

Please only submit bug reports when using the officially supported version.

=============
Warning: React version not specified in eslint-plugin-react settings. See https://github.com/yannickcr/eslint-plugin-react#configuration .

/Users/djhaveri/code/@muxinc/stream.new/lib/urlutils.ts
  3:8  warning  Missing return type on function  @typescript-eslint/explicit-module-boundary-types
  7:8  warning  Missing return type on function  @typescript-eslint/explicit-module-boundary-types

✖ 2 problems (0 errors, 2 warnings)

info  - Loaded env from /Users/djhaveri/code/@muxinc/stream.new/.env.local
Browserslist: caniuse-lite is outdated. Please run:
  npx browserslist@latest --update-db
  Why you should do it regularly: https://github.com/browserslist/browserslist#browsers-data-updating
info  - Checking validity of types
warn  - The Next.js plugin was not detected in your ESLint configuration. See https://nextjs.org/docs/basic-features/eslint#migrating-existing-config
Warning: React version not specified in eslint-plugin-react settings. See https://github.com/yannickcr/eslint-plugin-react#configuration .

./lib/urlutils.ts
3:8  Warning: Missing return type on function.  @typescript-eslint/explicit-module-boundary-types
7:8  Warning: Missing return type on function.  @typescript-eslint/explicit-module-boundary-types

info  - Need to disable some ESLint rules? Learn more here: https://nextjs.org/docs/basic-features/eslint#disabling-rules
warn  - using beta Middleware (not covered by semver) - https://nextjs.org/docs/messages/beta-middleware
info  - Disabled SWC as replacement for Babel because of custom Babel configuration ".babelrc" https://nextjs.org/docs/messages/swc-disabled
Browserslist: caniuse-lite is outdated. Please run:
npx browserslist@latest --update-db

Why you should do it regularly:
https://github.com/browserslist/browserslist#browsers-data-updating
info  - Using external babel configuration from /Users/djhaveri/code/@muxinc/stream.new/.babelrc
info  - Creating an optimized production build
info  - Compiled successfully
info  - Collecting page data
info  - Generating static pages (10/10)
info  - Finalizing page optimization

Page                                       Size     First Load JS
┌ ○ /                                      3.92 kB         101 kB
├ ƒ /_middleware                           910 B           118 kB
├ ○ /404                                   2.84 kB        73.1 kB
├ λ /api/assets/[id]                       0 B            70.2 kB
├ λ /api/oembed                            0 B            70.2 kB
├ λ /api/report                            0 B            70.2 kB
├ λ /api/telemetry                         0 B            70.2 kB
├ λ /api/uploads                           0 B            70.2 kB
├ λ /api/uploads/[id]                      0 B            70.2 kB
├ λ /api/webhooks/mux                      0 B            70.2 kB
├ ○ /assets/[id]                           1.96 kB        99.3 kB
├ ○ /moderator/delete-asset                2.41 kB        95.5 kB
├ ○ /record                                16.2 kB         113 kB
├ ○ /terms                                 905 B            94 kB
├ ● /v/[id]                                396 B           101 kB
├ ƒ /v/[id]/_middleware                    855 B           118 kB
├ ● /v/[id]/[playerType]                   394 B           101 kB
└ ● /v/[id]/embed                          4.75 kB        97.9 kB
+ First Load JS shared by all              70.2 kB
  ├ chunks/framework-8957c350a55da097.js   42.2 kB
  ├ chunks/main-96060e10e65c9c86.js        24.9 kB
  ├ chunks/pages/_app-d821886ca7955871.js  979 B
  └ chunks/webpack-557595145310b521.js     2.13 kB

ƒ  (Middleware)  intercepts requests (uses _middleware)
λ  (Server)      server-side renders at runtime (uses getInitialProps or getServerSideProps)
○  (Static)      automatically rendered as static HTML (uses no initial props)
●  (SSG)         automatically generated as static HTML + JSON (uses getStaticProps)

✨  Done in 18.25s.
Execution time: 18.58s