My procedure stopped working completely, I didn't change a thing

Title pretty much sums it up. I can't seem to figure out why this is happening. So basically the "max health > 5" is so my attack doesn't destroy items and exp orbs. "Global:Immunity" is so the player doesn't get hurt from the attack (i don't get hurt but the attack doesn't work either). There are supposed to be particles appearing and entities within 8 blocks are supposed to take damage but that ain't working either. Here's what I got: