# 40MM grenade errors

**URL:** https://discourse.cataclysmdda.org/t/40mm-grenade-errors/22233
**Category:** The Garage
**Tags:** inventory
**Created:** [December 17, 2019, 7:11pm UTC](https://discourse.cataclysmdda.org/t/40mm-grenade-errors/22233 "2019-12-17T19:11:01Z")
**Posts on this page:** 7
**Page:** 1

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### Author: ![Scyrinal](https://avatars.discourse-cdn.com/v4/letter/s/e19adc/32.png) [@Scyrinal](https://discourse.cataclysmdda.org/u/Scyrinal)
#### Post date: [December 17, 2019, 7:11pm UTC](https://discourse.cataclysmdda.org/t/40mm-grenade-errors/22233/1 "2019-12-17T19:11:02Z")

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DEBUG : item id 40mm\_flechette is unknown (in item in ammo\_launcher\_grenade)

FUNCTION : virtual void Single\_item\_creator::check\_consistency(const string&) const  
FILE : src/item\_group.cpp  
LINE : 122

DEBUG : starting ammo 40mm\_frag of monster mon\_chickenbot is unknown

FUNCTION : void MonsterGenerator::check\_monster\_definitions() const  
FILE : src/monstergenerator.cpp  
LINE : 1090

And a error that causes a crash when attempting to look at a weapon that uses 40MM grenades.

DEBUG : Tried to get invalid ammunition: 40mm

FUNCTION : const T& string\_id::obj() const [with T = ammunition\_type]  
FILE : src/ammo.cpp  
LINE : 48

DEBUG : Tried to set invalid ammo of undefined-NULL for 40mm pipe launcher

FUNCTION : item& item::ammo\_set(const itype\_id&, int)  
FILE : src/item.cpp  
LINE : 434

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### Author: ![anothersimulacrum](https://sea2.discourse-cdn.com/flex016/user_avatar/discourse.cataclysmdda.org/anothersimulacrum/32/10770_2.png) [@anothersimulacrum](https://discourse.cataclysmdda.org/u/anothersimulacrum)
#### Post date: [December 17, 2019, 7:12pm UTC](https://discourse.cataclysmdda.org/t/40mm-grenade-errors/22233/2 "2019-12-17T19:12:32Z")

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It sounds like you need to update your game, these were fixed recently.

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### Author: ![Scyrinal](https://avatars.discourse-cdn.com/v4/letter/s/e19adc/32.png) [@Scyrinal](https://discourse.cataclysmdda.org/u/Scyrinal)
#### Post date: [December 17, 2019, 9:32pm UTC](https://discourse.cataclysmdda.org/t/40mm-grenade-errors/22233/3 "2019-12-17T21:32:03Z")

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My version is version 10020. They are still happening.

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### Author: ![Zhilkin](https://sea2.discourse-cdn.com/flex016/user_avatar/discourse.cataclysmdda.org/zhilkin/32/3749_2.png) [@Zhilkin](https://discourse.cataclysmdda.org/u/Zhilkin)
#### Post date: [December 17, 2019, 9:38pm UTC](https://discourse.cataclysmdda.org/t/40mm-grenade-errors/22233/4 "2019-12-17T21:38:24Z")

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You are using some outdated third party mod. I suggest you not using it.

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### Author: ![Scyrinal](https://avatars.discourse-cdn.com/v4/letter/s/e19adc/32.png) [@Scyrinal](https://discourse.cataclysmdda.org/u/Scyrinal)
#### Post date: [December 18, 2019, 12:24am UTC](https://discourse.cataclysmdda.org/t/40mm-grenade-errors/22233/5 "2019-12-18T00:24:45Z")

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Welp. Finding the mod is a issue I suppose. But thanks.

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### Author: ![featherball](https://avatars.discourse-cdn.com/v4/letter/f/e99b99/32.png) [@featherball](https://discourse.cataclysmdda.org/u/featherball)
#### Post date: [December 18, 2019, 2:04pm UTC](https://discourse.cataclysmdda.org/t/40mm-grenade-errors/22233/6 "2019-12-18T14:04:41Z")

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Look for ammo “40mm” and replace it with “40x46mm”.

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### Author: ![Zhilkin](https://sea2.discourse-cdn.com/flex016/user_avatar/discourse.cataclysmdda.org/zhilkin/32/3749_2.png) [@Zhilkin](https://discourse.cataclysmdda.org/u/Zhilkin)
#### Post date: [December 18, 2019, 2:51pm UTC](https://discourse.cataclysmdda.org/t/40mm-grenade-errors/22233/7 "2019-12-18T14:51:14Z")

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It is most probably PKs Rebalance.