PocketMine-MP Server not able to place crystals
Solution 1:
PocketMine-MP doesn't have crystals implemented yet. You can try to use a fork of PocketMine-MP called Altay or a fork of NukkitX called PowerNukkit.
PocketMine-MP doesn't have crystals implemented yet. You can try to use a fork of PocketMine-MP called Altay or a fork of NukkitX called PowerNukkit.