Damagesource is Not Null Mod (1.21.1, 1.20.1) – Prevents Common
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Damagesource is Not Null Mod is an addon for DSNNULL Basic that helps stop your game from crashing. Sometimes, other mods can cause a specific error related to damage that closes the game unexpectedly. This addon acts like a shield, catching the error before it can cause a problem. It replaces the bad information with a safe one so you can keep playing without interruptions. It also helps you figure out which mod is causing the issue by logging useful details.
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Features:
- Stops many common crashes caused by a “null DamageSource” error from other mods.
- When it finds an error, it replaces the bad damage source with a safe one to prevent a crash.
- Provides wider support for creatures and custom damage from third-party mods.
- Logs helpful diagnostic information to help identify the mod causing the problem.
- Acts as a runtime safety layer for broken damage events to keep your game stable.
- It is safe to use in single-player and on dedicated multiplayer servers.
Commands:
/dsnnull debug testall: This command scans all registered living mobs in the game and tries to identify any that are still vulnerable to the null damage source crash.
Screenshots:










How to Install:
New to Minecraft? Follow our step-by-step guide to install Mods on your PC.View Guide
Requirements:
DSNNULL Basic Required
Damagesource is Not Null Mod Download Links
Filter by
| Version | Loader | File Name | Size | Date | Download |
|---|---|---|---|---|---|
| 1.21.1 | Neoforge | Damagesource-Is-Not-Null-Mod-NeoForge-1.21.1.jar | 26 KB | Apr 24, 2026 | |
| 1.20.1 | Fabric | Damagesource-Is-Not-Null-Mod-Fabric-1.20.1.jar | 17 KB | Apr 24, 2026 | |
| Forge | Damagesource-Is-Not-Null-Mod-Forge-1.20.1.jar | 26 KB | Apr 24, 2026 | ||
| 1.19.2 | Forge | Damagesource-Is-Not-Null-Mod-Forge-1.19.2.jar | 17 KB | Apr 24, 2026 | |
| 1.18.2 | Forge | Damagesource-Is-Not-Null-Mod-Forge-1.18.2.jar | 17 KB | Apr 24, 2026 |
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