Paragon nuke may cause the game to crash

[theChronodonut1337]

Platforms

Windows

Mod Version

30.5

Issue

Sometimes, a NullPointerException-related crash occurs upon a nuke projectile from the Paragon hitting a target.

Steps to reproduce

1. Go to a map
2. Make Paragon nuke, and load it with payload
3. Shoot the nuke
4. Crash has a chance to happen upon the nuke landing on a target

(Crash) logs

Mindustry has crashed. How unfortunate.
Version: release build 157.4 (Built April 21, 2026 21:20 PM)
Date: May 23, 2026 20:59:38 PM
OS: Windows 11 x64 (amd64)
GL Version: OpenGL 4.6.0 / NVIDIA Corporation / NVIDIA GeForce GTX 1650 Ti/PCIe/SSE2 / 4.6.0 NVIDIA 497.09
Java Version: 25.0.1
Runtime Available Memory: 4054mb
Cores: 8
Mods: black-hole-renderer:18, extra-sand-redux:3.4, mindustry-tool:v4.57.2-v8, new-horizon:2.0_v154_1, prog-mats:30.5, silent-orchestra:T.01.31, test-utils:69.9, tranqol:v8.2

java.lang.NullPointerException: Cannot read field "accel" because "this.type" is null
at mindustry.gen.Bullet.update(Bullet.java:1062)
at mindustry.entities.EntityGroup.update(EntityGroup.java:84)
at mindustry.gen.Groups.update(Groups.java:83)
at mindustry.core.Logic.update(Logic.java:569)
at arc.ApplicationCore.update(ApplicationCore.java:37)
at mindustry.ClientLauncher.update(ClientLauncher.java:266)
at arc.backend.sdl.SdlApplication.listen(SdlApplication.java:226)
at arc.backend.sdl.SdlApplication.loop(SdlApplication.java:214)
at arc.backend.sdl.SdlApplication.(SdlApplication.java:58)
at mindustry.desktop.DesktopLauncher.main(DesktopLauncher.java:52)

Submission

• I have updated to the latest release (https://github.com/MEEPofFaith/prog-mats-java/releases) to make sure my issue has not been fixed.
• I have searched the closed and open issues to make sure that this problem has not already been reported.