This issue can occur if the "two-line caption" option is incorrectly set within Cutback. When creating motion captions that include translated subtitles, we recommend turning off the two-line caption option before generating the captions, or avoiding any changes to that setting.
Follow the steps below to resolve the issue:
Remove the generated animated captions.
In [Edit captions] Mode, click the paragraph icon at the bottom right to adjust the subtitle format. (Disable the two-line caption option.)
Regenerate the animated caption effects.