If video frames in your Final Cut Pro project are in the wrong order
Find out what to do when video frames play in the wrong order during playback in Final Cut Pro or in the exported version of a project.
Final Cut Pro 10.6.4 fixes an issue where video frames could play in the wrong order in your Final Cut Pro project. If you've experienced this issue, update to Final Cut Pro 10.6.4, delete the render files in the library containing the affected project, then render the project.
Update Final Cut Pro
First, update to Final Cut Pro 10.6.4.
Delete render files
After updating Final Cut Pro, delete the render files in the library containing the project with the video frames in the wrong order:
In the Libraries sidebar in Final Cut Pro, select the library.
Choose File > Delete Generated Library Files.
Select Delete Render Files.
Select Delete Render Files, select All, then click OK.
Render the project
After deleting the render files, render projects as necessary:
Select the project in the Final Cut Pro browser.
Choose Modify > Render All (or press Control-Shift-R). You can view the progress of rendering in the Background Tasks window.
Learn more
Manage render files in Final Cut Pro