Adobe Premiere Pro CC 2019 -How can solve the red on the timeline

[炫0101]

I am using adobe pr cc 2019. How can I solve the red on the timeline?
I have searched and tried the solutions on the Internet, and found that there is still no way

By the way, the following error message  appeared after rendering

[R Neil Haugen]

If that warning is giving you an error at timecode X, then go to that spot, and re-do the work done there.

Neil