TypeError: Cannot assign to read only property 'params' of object '#<Object>'

[NriotHrreion]

Summary

I have no idea why this error comes in my project. After deleting the build directory and re-running npm run dev, this error will disappear when I open the web page for the first time, but reappear after reloading the page.

The stacktrace:

Additional information

Operating System:
  Platform: win32
  Arch: x64
  Version: Windows 11 Pro
  Available memory (MB): 32561
  Available CPU cores: 32
Binaries:
  Node: 22.17.0
  npm: 10.9.2
  Yarn: N/A
  pnpm: 10.13.1
Relevant Packages:
  next: 15.5.4 // Latest available version is detected (15.5.4).
  eslint-config-next: 15.3.4
  react: 19.1.0
  react-dom: 19.1.0
  typescript: 5.8.3
Next.js Config:
  output: export

Example

https://github.com/opanel-mc/opanel/tree/main/frontend

This issue may have something to do with this file: https://github.com/opanel-mc/opanel/blob/f1be02ab930454dad91a5415cda25d8763f83662/frontend/lib/settings.ts