# Crash when reading Road/trail/ect Maps

**URL:** <https://discourse.cataclysmdda.org/t/crash-when-reading-road-trail-ect-maps/24899>\
**Category:** The Garage\
**Tags:** mod\
**Created:** [October 8, 2020, 7:07am UTC](https://discourse.cataclysmdda.org/t/crash-when-reading-road-trail-ect-maps/24899 "2020-10-08T07:07:11Z")\
**Posts on this page:** 2\
**Page:** 2

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**Author:** ![Valase](https://sea2.discourse-cdn.com/flex016/user_avatar/discourse.cataclysmdda.org/valase/32/6972_2.png) [@Valase](https://discourse.cataclysmdda.org/u/Valase)\
**Post date:** [November 3, 2020, 5:57pm UTC](https://discourse.cataclysmdda.org/t/crash-when-reading-road-trail-ect-maps/24899/21 "2020-11-03T17:57:30Z")

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> [@TheGoatgod](#):
>
> how does this make it a water world?

To his defense, yours is a mild case…  
Here, this was one of mine that generated with the Aftershock settings without crashing my game:

 ![About 70 percent of the earth are covered in water but this picture shows around 95 percent...](https://us1.discourse-cdn.com/flex016/uploads/cataclysmdda/original/2X/e/ed123733222f235f5b14a5c060e7e8858ecea748.png)  
(Click to enlarge)

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**Author:** ![TheGoatgod](https://sea2.discourse-cdn.com/flex016/user_avatar/discourse.cataclysmdda.org/thegoatgod/32/8026_2.png) [@TheGoatgod](https://discourse.cataclysmdda.org/u/TheGoatgod)\
**Post date:** [November 3, 2020, 7:09pm UTC](https://discourse.cataclysmdda.org/t/crash-when-reading-road-trail-ect-maps/24899/22 "2020-11-03T19:09:47Z")

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I see this when travelling over to other the next over map tile or 2 only really seen this once and wasn’t as big. hmm, I’m trying to implement this so people can have it as a mod option maybe it will be made a vanilla “option” in settings but I guess this would need C++ and I’m not there yet for adding this kind of code, when I have time ill self teach my self but I doubt the beginners to advanced will give me everything I need to know, will make a .md for this as well but mainly for my self and will probably only make sense to my self.

I’m lacking the no how to use this function, I have no files on my desktop with this function. so modding with this function is hard without any documentation. i will check into the src folder and look through the hard code (not because it’s hard because it’s compiled into the game) - if people don’t get my meaning.  
`fill_terrain`  
its  
`fill_ter`

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