# Errors in visual studio before building solution

**URL:** <https://discourse.cataclysmdda.org/t/errors-in-visual-studio-before-building-solution/24566>\
**Category:** The Garage\
**Created:** [August 25, 2020, 2:58pm UTC](https://discourse.cataclysmdda.org/t/errors-in-visual-studio-before-building-solution/24566 "2020-08-25T14:58:51Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![DariuszPawlicki](https://avatars.discourse-cdn.com/v4/letter/d/e0b2c6/32.png) [@DariuszPawlicki](https://discourse.cataclysmdda.org/u/DariuszPawlicki)\
**Post date:** [August 25, 2020, 2:58pm UTC](https://discourse.cataclysmdda.org/t/errors-in-visual-studio-before-building-solution/24566/1 "2020-08-25T14:58:51Z")

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I have had 12 errors which concerned missing header files like SDL2 and so on.  
Then, after an building a project those errors have dissappeared, why have this happend?