1, software bug, you can try to restart the software or upgrade the software.

2. Because the memory of the mobile phone is insufficient, you can empty some memory and export the video.

3.Clipping is a mobile video editing tool officially launched by Tik Tok. It can be used for editing and publishing short videos of mobile phones, supporting variable speed, diverse filter effects and rich music library resources. The system platform released by the software has IOS version and Android version, and the software has voice changing effects such as Lori, Uncle and Monster, which can intelligently identify faces, open beauty, collect favorite music, and automatically identify voice and subtitle videos with one click.