Fixed error with audio source.

MrBigsock/Assets/Code/Character.cs

@@ -217,7 +217,7 @@ namespace BigSock {
 			// Trigger the event for taking damage.
 			OnTakeDamage?.Invoke(this, attack.Actor, attack);
 
-			if (TakeDamageAudio != null){
+			if(TakeDamageAudio != null && source?.Count > 0 && source[0] != null) {
 				source[0].clip = TakeDamageAudio;
 				source[0].Play();
 			}