loaded a nun or ammo_data() is nullptr

[IdleSol]

Describe the bug

DEBUG : loaded a nun or ammo_data() is nullptr

FUNCTION : void item::gun_info(const item*, std::vector&, const iteminfo_query*, int, bool) const
FILE : src/item.cpp
LINE : 3131
VERSION : 93c658a

This error occurs when the upper receiver is removed from the weapon.

Attach save file

N/A

Steps to reproduce

1. Default world and character
2. Spawn "m4 carbine+1"
3. Detach gunmods

Expected behavior

N/A

Screenshots

No response

Versions and configuration

• OS: Windows
  • OS Version: 10.0.18362 (21H1)
• Game Version: 93c658a [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]
  ]

Additional context

No response

[ANickelN]

/confirmed
Removing the upper receiver from a firearm can occur when you choose to "Unload everything" in a tile with the gun mods option enabled.

[IdleSol]

If we focus on the m4 carbine. This error occurs for the first time in the game version: 2023-12-27-2158

If we focus on the ar-15 rifle: 2023-12-11-1357

Most likely the problem is PR #69725

@GuardianDll I apologize if I disturbed you inappropriately.

[GuardianDll]

More like my PR was made based on a new feature (#69828), that have had this bug