Viewing a specific version crashes the whole payload admin

Describe the Bug

I have a collection with drafts enabled. This collection also have a blocks field. I noticed that when we rearrange the blocks, and then view that version in the payloadcms admin, it crashes the website. Please see video of the reproduction.

https://github.com/user-attachments/assets/a37ad683-328f-44b6-afe7-fa36caac8e95

Link to the code that reproduces this issue

Tried to reproduce locally but cant 🥲 can i show our private repository instead?

Reproduction Steps

1. Go to the specific post
2. View the 2nd revision

Which area(s) are affected?

area: core

Environment Info

Binaries:
  Node: 24.14.0
  npm: 11.9.0
  Yarn: N/A
  pnpm: N/A
  bun: 1.3.11
Relevant Packages:
  payload: 3.79.1
  next: 16.2.0
  @payloadcms/db-postgres: 3.79.1
  @payloadcms/drizzle: 3.79.1
  @payloadcms/graphql: 3.79.1
  @payloadcms/next/utilities: 3.79.1
  @payloadcms/plugin-cloud-storage: 3.79.1
  @payloadcms/plugin-multi-tenant: 3.79.1
  @payloadcms/plugin-seo: 3.79.1
  @payloadcms/richtext-lexical: 3.79.1
  @payloadcms/storage-azure: 3.79.1
  @payloadcms/translations: 3.79.1
  @payloadcms/ui/shared: 3.79.1
  react: 19.2.4
  react-dom: 19.2.4
Operating System:
  Platform: darwin
  Arch: arm64
  Version: Darwin Kernel Version 25.3.0: Wed Jan 28 20:51:28 PST 2026; root:xnu-12377.91.3~2/RELEASE_ARM64_T6041
  Available memory (MB): 24576
  Available CPU cores: 12