how to avoid character fall into the empty hole and disappear?

Help Requests
1

i made some gap on the floor and once the character fall into, the game stuck
how can i make the character back to the starting point or check point while it die or fall??

2

Just do a ‘dangerous behavior bundle’

3

can u tell me more detail?? im new here so i dont know how to do the setting… thank u

4

make walls that’s how I do it

5

Heres how: http://www.youtube.com/watch?v=KGeFDUO5nhQ#t=91
On part 1:30 Look how grazer puts in the walls and on those walls put a dangerous behavior

6

sorrrry?? i saw tat video too, but i dn wan it to block at the bottom… and i didnt saw there is dangerous in behavior tooo…

7

You can just move the triggering blocks lower if you like - noone will ever see them.