Cannot Run generate:types When Using a Different Language

[tobiasiv]

Describe the Bug

When setting a different language in the Payload config for i18n, the pnpm generate:types command fails.

Link to the code that reproduces this issue

https://github.com/tobiasiv/payload-reproduction/tree/translations

Reproduction Steps

1. Clone the reproduction repo (branch: translations)
2. Set the env variables
3. Run pnpm generate:types
4. A TypeError appears: Cannot read properties of undefined (reading 'translations')

Which area(s) are affected? (Select all that apply)

area: core

Environment Info

Binaries:
  Node: 20.9.0
  npm: 10.1.0
  Yarn: 1.22.19
  pnpm: 9.7.0
Relevant Packages:
  payload: 3.11.0
  next: 15.1.0
  @payloadcms/db-mongodb: 3.11.0
  @payloadcms/db-postgres: 3.11.0
  @payloadcms/email-nodemailer: 3.11.0
  @payloadcms/graphql: 3.11.0
  @payloadcms/next/utilities: 3.11.0
  @payloadcms/payload-cloud: 3.11.0
  @payloadcms/richtext-lexical: 3.11.0
  @payloadcms/translations: 3.11.0
  @payloadcms/ui/shared: 3.11.0
  react: 19.0.0
  react-dom: 19.0.0
Operating System:
  Platform: darwin
  Arch: x64
  Version: Darwin Kernel Version 19.6.0: Tue Feb 15 21:39:11 PST 2022; root:xnu-6153.141.59~1/RELEASE_X86_64
  Available memory (MB): 16384
  Available CPU cores: 4