# bug: tRPC client is undefined
[tanstack-react-query] bug: 'createContext' is not exported from 'react'
🙋♂️ help wanted🐛 bug: unconfirmed
bug: Can't create "createClient" after creating "createTRPCReact<AppRouter>()"
👻 invalid🔎 needs more investigation/info⏮ needs reproduction🐛 bug: unconfirmed⏳ close if no activity
bug: generated `.d.ts` files leaking un-exported types
🙋♂️ help wanted🐛 bug: unconfirmed⏳ close if no activity
bug: TRPC with nextjs 15(App Router) production build failed!
👻 invalid🐛 bug: unconfirmed
bug: since TRPC v11.5.0 errors on createTRPCOptionsProxy are broken and not typed properly
⏮ needs reproduction🐛 bug: unconfirmed
Cannot read properties of undefined (reading '__untypedClient') on trpc.Provider
🙋♂️ help wanted👻 invalid🔎 needs more investigation/info⏮ needs reproduction🐛 bug: unconfirmed
bug: TRPCClientError "Headers is not defined"
🙋♂️ help wanted👻 invalid⏮ needs reproduction🐛 bug: unconfirmed⏳ close if no activity