Sorry to hear that your render has failed. This, although rare, does sometimes happen.
Please make sure that any special characters are showing up in the preview (if they are not, they are not supported by the font used) and that any files that you have uploaded are below the maximum file sizes:
Images: 10MB or less
Video: 100MB or less and 25 FPS
Audio (Coming soon): 10MB or less
If you’re unsure what size your file is, please reach out to the support team who can help.
If you have checked both of these issues, please try to recreate the render one more time, at peak times we can have glitches that stop a render but will then succeed after.
If you have tried all of the above please reach out to our support team