> For the complete documentation index, see [llms.txt](https://docs.theiamarkerless.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.theiamarkerless.com/axiom-v2025/troubleshooting/error-messages/organize-data-errors/input-directory-has-no-mp4-or-avi-files.md).

# Input directory has no mp4 or avi files

<figure><img src="/files/wLxdLUR8JxoflYbMUKR1" alt=""><figcaption></figcaption></figure>

### Explanation

This error message arises when attempting to use the [Organize Videos Tool ](/axiom-v2025/theia3d-documentation/theia3d-dropdown-menus/tools-menu/organize-videos.md)to organize video files as required by Theia3D. Theia3D requires video data to be MP4 or AVI file formats, so if the directory selected for organizing contains video files of a different format (e.g. MKV, MOV, etc.) Theia3D will be unable to organize or load these videos.

### Possible Solutions

To ensure your video data can be organized, loaded, and processed by Theia3D, they should be in .mp4 or .avi file formats. If possible, re-export the original videos to the correct file format, or convert the existing video files&#x20;


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