# I cannot load the .mat file.

**URL:** <https://discourse.slicer.org/t/i-cannot-load-the-mat-file/34840>\
**Category:** Support\
**Created:** [March 12, 2024, 3:09am UTC](https://discourse.slicer.org/t/i-cannot-load-the-mat-file/34840 "2024-03-12T03:09:18Z")\
**Posts on this page:** 2\
**Page:** 1

<div class="post-metadata">

**Author:** ![Leitbe](https://avatars.discourse-cdn.com/v4/letter/l/9fc29f/32.png) [@Leitbe](https://discourse.slicer.org/u/Leitbe)\
**Post date:** [March 12, 2024, 3:09am UTC](https://discourse.slicer.org/t/i-cannot-load-the-mat-file/34840/1 "2024-03-12T03:09:18Z")

</div>

Operating system:Windows11  
Slicer version:5.6.1  
Expected behavior:Load successful  
Actual behavior:load failed.

 ![9f8c16144d070ee17cd9653b07501972](https://us1.discourse-cdn.com/flex002/uploads/slicer/original/3X/9/9/998bbedf275ed17584b702177c09d654f75807ae.png)  
 ![e22d39e7955edd704abb06c2b12f6ab7](https://us1.discourse-cdn.com/flex002/uploads/slicer/original/3X/6/2/62aee706f0f02bd8ea7e99d7d061f45d5389cd5c.png)  
 ![e773d27c3d03deb79ac6e8ab7408f79d](https://us1.discourse-cdn.com/flex002/uploads/slicer/original/3X/f/8/f870306d3512db2d2a5d6d935c533f3f475ff95e.png)

---

<div class="post-metadata">

**Author:** ![lassoan](https://sea2.discourse-cdn.com/flex002/user_avatar/discourse.slicer.org/lassoan/32/13_2.png) [@lassoan](https://discourse.slicer.org/u/lassoan)\
**Post date:** [March 12, 2024, 3:14am UTC](https://discourse.slicer.org/t/i-cannot-load-the-mat-file/34840/2 "2024-03-12T03:14:02Z")

</div>

What does the .mat file contain? How was it created?

Please copy the error message here (the screenshot does not show the most important parts of the message). It could be useful if you also copy the application log (menu: Help / Report a bug).