# Plex Arcade - The core mapping file is missing

**URL:** <https://forums.plex.tv/t/plex-arcade-the-core-mapping-file-is-missing/682985>\
**Category:** Plex Labs\
**Tags:** server-mac, arcade-gaming\
**Created:** [January 26, 2021, 6:21pm UTC](https://forums.plex.tv/t/plex-arcade-the-core-mapping-file-is-missing/682985 "2021-01-26T18:21:53Z")\
**Posts on this page:** 1\
**Showing post:** 4

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**Author:** ![Machi\_Machi](https://avatars.discourse-cdn.com/v4/letter/m/a5b964/32.png) [@Machi\_Machi](https://forums.plex.tv/u/Machi_Machi)\
**Post date:** [January 26, 2021, 7:05pm UTC](https://forums.plex.tv/t/plex-arcade-the-core-mapping-file-is-missing/682985/4 "2021-01-26T19:05:27Z")

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I’m pretty positive that’s just the emulator core it needs, you’d need to provide it yourself from a legal copy, but not sure how to go about adding it yet either.  
It’s no surprise it’s not there by default, for legal reasons they can probably only have Atari’s

So far this seems like a wonderful resource 🙂

> [@Core Manager for Plex Arcade](https://forums.plex.tv/t/core-manager-for-plex-arcade/682952):
>
> Summary With the release of [Plex Arcade](https://www.plex.tv/blog/game-on-a-plex-blog-story/) today I’m personally releasing a utility for managing your emulation cores inside PMS on Windows and macOS. I’ll be regularly updating and polishing the tool over the next several weeks Get it here: [Welcome to Core Manager | core-manager](https://coremanager.app/) Please keep general Plex Arcade questions in [Plex Arcade? - General / Plex Features - Plex Forum](https://forums.plex.tv/t/plex-arcade/682945/24) I’d prefer this thread be limited to questions specifically for Core Manager Troubleshooting If you’re in a state where a…

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