It’s possible that it’s clean playback mode (which turns on game view) . You can try toggling it off.
Here’s a post on that: Playing sequence in editor hides actors - #2 by Max.Chen
It’s possible that it’s clean playback mode (which turns on game view) . You can try toggling it off.
Here’s a post on that: Playing sequence in editor hides actors - #2 by Max.Chen