Put the summary of the bug you're having here

i was messing around with redstone and spaming sticky piston with slimeblock on top and sandstone block around the slime block:
Describe what you thought should happen here

And i was there spaming the leaver that is connected to the sticky piston and it duplicated the sandstone:
Describe what happened here

Steps to Reproduce:
1. you place down a sticky piston faceing up and put a slime block on it
2. then you place anyblock on top of the slime block and around it
3. then you spam the lever that you connected to the piston and it will duplicate