Bukkit

What steps will reproduce the problem?
1.destroy the block
2.
3.

What is the expected output? What do you see instead?
the block drops

What version of the product are you using?
latest

Do you have an error log of what happened?
no

Please provide any additional information below.

Config file
# Please request all additions to Orcem12
# Make sure to keep the formatting of the configuration.
# ---
# Version: 1.1 Beta, Orcem12; Creative Commons
# ---
# Use_Plugin: true
#  - Actually enable the plugin
# DropStopper_Feature: true
#  - Stop the blocks in list from dropping anything.
# DeathDropStopper_Feature: false
#  - Stop any and all drops from players upon death.
# Permission Nodes:
# DropStopper.true.DropStop (forces the dropstopper feature)
# DropStopper.true.DeathDropStop (forces the deathdrop feature)
Use_Plugin: true
Drops:
  tobe:
    blocked:
    - LEAVES
# Stop certain blocks from dropping.
DropStopper_Feature: true
# Erase drops upon death?
DeathDropStopper_Feature: false

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I put the permission node in the group but it still doesnt work :C

Please directly explain your problem