# Unresolved External Symbol | Struct & Linker Error

**URL:** <https://forums.unrealengine.com/t/unresolved-external-symbol-struct-linker-error/442900>\
**Category:** Programming & Scripting\
**Tags:** unreal-engine\
**Created:** [February 7, 2019, 11:48am UTC](https://forums.unrealengine.com/t/unresolved-external-symbol-struct-linker-error/442900 "2019-02-07T11:48:08Z")\
**Posts on this page:** 1\
**Showing post:** 22

<div class="post-metadata">

**Author:** ![Madlions](https://d3kjluh73b9h9o.cloudfront.net/original/4X/2/8/5/28502927f1d97ba1051b3b47ccfe17233bf41ef0.png) [@Madlions](https://forums.unrealengine.com/u/Madlions)\
**Post date:** [September 7, 2019, 2:03pm UTC](https://forums.unrealengine.com/t/unresolved-external-symbol-struct-linker-error/442900/22 "2019-09-07T14:03:24Z")

</div>

I encountered similar issue, and realized it was because I did not add the \_API specifier macro for proper exposing my struct (it was in another module than the module I was using it).

> **[A new, community-hosted Unreal Engine Wiki](https://forums.unrealengine.com/t/a-new-community-hosted-unreal-engine-wiki/141494)**
>
> After over a year in maintenance mode, the official Unreal Engine Wiki is now permanently offline. These resources now live on a new community-run Unreal Engine Community Wiki — ue4community.wiki! You will be able to find content from the official...

---

_[View the full topic](https://forums.unrealengine.com/t/unresolved-external-symbol-struct-linker-error/442900)._