![](https://kb.reallusion.com/Uploads/Images/CTA5/fail.png)
This error message may appear for various reasons, with your computer running out of available memory being one potential cause.
Solution:
1) In the toolbar, click Edit > Preference.
![](https://kb.reallusion.com/Uploads/Images/CTA5/Preferences.png)
2) In the following Preferences window, adjust Render > Viewport Resolution to a smaller size.
![](https://kb.reallusion.com/Uploads/Images/CTA5/Viewport%20Resolutions.png)
If the problem persists, please submit a Reallusion support ticket under the “Cartoon Animator 5” category.