Cannot build next.js web

I was trying to see UI from tanya_fe branch but I could not run it properly. Hope this could be fixed

inhwa.son@Inhwas-MacBook-Air web % yarn build
yarn run v1.22.19
$ next build
   ▲ Next.js 14.1.0

   Creating an optimized production build ...
 ✓ Compiled successfully

./src/components/dashboard.tsx
30:11  Warning: Using `<img>` could result in slower LCP and higher bandwidth. Consider using `<Image />` from `next/image` to automatically optimize images. This may incur additional usage or cost from your provider. See: https://nextjs.org/docs/messages/no-img-element  @next/next/no-img-element

info  - Need to disable some ESLint rules? Learn more here: https://nextjs.org/docs/basic-features/eslint#disabling-rules
   Linting and checking validity of types  ..Failed to compile.

./src/app/page.tsx:38:11
Type error: Type 'string' is not assignable to type '"signup" | "login"'.

  36 |         <AuthModal 
  37 |           onClose={() => setIsModalOpen(false)} 
> 38 |           mode={authMode} 
     |           ^
  39 |           onToggleMode={() => setAuthMode(authMode === "signup"? "login" : "signup")}
  40 |         />}
  41 |       <Dashboard />
error Command failed with exit code 1.
info Visit https://yarnpkg.com/en/docs/cli/run for documentation about this command.

mlim-usfca / PersonalKnowledge

Cannot build next.js web #12