"Child" placeholder monster appears at "Road Mayhem" map extra

[Anrock]

Describe the bug

"Child" placeholder monster appears at "Road Mayhem" map extra.

I think I saw only 2 or 3 Road Mayhems and two times it had a Child placeholder

Attach save file

Dennis Acres-trimmed.tar.gz

Steps to reproduce

1. Find a Road Mayhem map extra
2. See a Child placeholder there

Expected behavior

Child placeholder should be something else

Screenshots

No response

Versions and configuration

• OS: Linux
  • OS Version: LSB Version: n/a; Distributor ID: Gentoo; Description: Gentoo Linux; Release: 2.17; Codename: n/a;
• Game Version: cdda-experimental-2025-01-25-0243 e1dae62-dirty [64-bit]
• Graphics Version: Tiles
• Game Language: English [en]
• Mods loaded: [
  Dark Days Ahead [dda],
  Disable NPC Needs [no_npc_food],
  Portal Storms Ignore NPCs [personal_portal_storms],
  Slowdown Fungal Growth [no_fungal_growth],
  Dark Days of the Dead [classic_zombies],
  Dark Days of the Dead (no deadly virus) [classic_zombies_no_deadly],
  SpeedyDex [speedydex],
  Stats Through Skills [StatsThroughSkills]
  ]

classic_zombies_no_deadly is my custom mini mod that basically disables deadly virus for zombie bites. It consists of single modinfo.json, attached.
modinfo.json

Additional context

No response