Steps to reproduce:
1. Have a 1080p sequence
2. Open a 1080p clip in Source window
3. Set in/out times in source window
4. Click Video icon or click in the preview window and drag to sequence
Result: ...
Cannot paste video. Can paste audio
Get little circle/slash icon
Expected: ...Video to drop in just fine
System info
Application: Premiere Pro (Beta) v23.1.0.52
OS: Windows v10.0.22621, RAM: 63.80 GB GB, CPUs (logical): 16
Also does it in the release version of 23.