Add the highlighted nodes shown in the image below, location at the top of the image.

Next in the BP_SmartAIComponent create a new variable called Respawn and set it to a Boolean.

Add the highlighted nodes shown in the image below, location at the top of the image.

Next go to the BP_MasterAIController and create a new variable called Respawn and set it to a Boolean.

Add the highlighted nodes shown in the image below, location at the top of the image.