# Red "X" and Plex

**URL:** https://community.mp3tag.de/t/red-x-and-plex/70154
**Category:** Support
**Created:** [November 17, 2025, 1:19am UTC](https://community.mp3tag.de/t/red-x-and-plex/70154 "2025-11-17T01:19:35Z")
**Posts on this page:** 1
**Showing post:** 7

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### Author: ![Florian](https://community.mp3tag.de/user_avatar/community.mp3tag.de/florian/32/5759_2.png) [@Florian](https://community.mp3tag.de/u/Florian)
#### Post date: [November 17, 2025, 6:41pm UTC](https://community.mp3tag.de/t/red-x-and-plex/70154/7 "2025-11-17T18:41:24Z")

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Usually, you can see the reason for the error icon in the "Tag" column of that file in Mp3tag's File List.

Based on that, you can proceed here:

> [@How to check files for errors?](https://community.mp3tag.de/t/how-to-check-files-for-errors/44633):
>
> It’s required and often helps to reduce support cycles to check files for errors before filing a bug report. Symptoms of erroneous files are often missing or wrong bitrate or length audible blips or skips tags seem to be sticky and cannot be removed There are some really good tools to check the files for errors, namely MP3 Diags — identifies many different issues in MP3 files Website: [http://mp3diags.sourceforge.net](http://mp3diags.sourceforge.net) Download: [MP3 Diags - Getting MP3 Diags](http://mp3diags.sourceforge.net/010_getting_the_program.html#binWindows) If the font size in MP3 Diags is …

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