Unchecking debug mode should help get rid of most print strings
If that doesn’t work you could always disable screen messages: (if you want screen messages back on you can use the reverse command “EnableAllScreenMessages”)
In the example level I am using trigger box events to spawn the enemies in the level blueprint and using target points to set the transform:
You can drag these into your level
Then in the level blueprint with each one selected right-click to create a reference/event
Target point reference
Trigger box event
Then you can spawn enemies with a simple setup like this