- Please check the amount of the free space on your device.

- Make sure that you have the latest version of the application installed.

- Try removing and restoring your application.

- Check if the video can be saved without titles or stickers applied.

- If the above did not work, please contact us.

Please do provide us with the following information: your iOS version, your application version, the source and resolution of your video, e.g. that's an uploaded video or a video shot on your device, or other.
If possible please consider sending us a video with which we could reproduce the issue.