Problem z TNT

Siema, mam problem z tnt, nieraz gdy sie odpali to wybucha, nie raz wcale.
Mozliwe ze to przez skrypt na wlaczanie i wylaczanie tnt, ale gdy usunalem ten skrypt to nadal nie dziala.
 

options:
                messageTnTOFF: &6&lTnT I Wagoniki Zostaly &c&lWylaczone &6&lPrzez &8&l--> &6&l%player%
                messageTnTON: &6&lTnT I Wagoniki Zostaly &2&lWlaczone &6&lPrzez &8&l--> &6&l%player%
                messagePermission: &6&l%player% &4&lNie Masz Permissji!
                PROCENTOBS: 33
                PROCENTWODA: 20
                messagePopolozeniu: &6&lTnT I Wagoniki Sa &c&lWylaczone
                blokOBS: air
                blokWODA: cobblestone
variables:
        {tntItachi} = 0
on place of tnt:
        if {tntItachi} is 1:
                send "{@messagePopolozeniu}"
on explode:
        if {tntItachi} is 1:
                loop blocks in radius 4 of event-location:
                        loop-block is water or lava:
                                if chance of 0%:
                                        set loop-block to cobblestone
                loop blocks in radius 4 of event-location:
                        loop-block is obsidian:
                                if chance of 0%:
                                        set loop-block to air
                cancel event
on explode:
        if {tntItachi} is 0:
                loop blocks in radius 4 of event-location:
                        loop-block is water or lava:
                                if chance of {@PROCENTWODA}%:
                                        set loop-block to {@blokWODA}
                loop blocks in radius 4 of event-location:
                        loop-block is obsidian:
                                if chance of {@PROCENTOBS}%:
                                        set loop-block to {@blokOBS}
command /tnt [<text>]:
        trigger:
                if player has permissions "tnt.Itachi":
                        if arg 1 is not set:
                                send "&8&l-->  &5&lTnT Na Serwerze&7)"
                                send "&8&l-> &6/TnT on &7&l<---&5Wlaczenie TnT"
                                send "&8&l-> &6/TnT off &7&l<---&5Wylaczenie TnT"
                        if arg 1 is "OFF":
                                set {tntItachi} to 1
                                broadcast "{@messageTnTOFF}"
                        if arg 1 is "ON":
                                set {tntItachi} to 0
                                broadcast "{@messageTnTON}"
                else:
                        send "{@messagePermission}"

Lista pluginów:

AntiCommandTab
  Authme-5.4.0
  bcmcBorder
  CH-AutoWiado
  ChestCommands
  Essentials-2.x-SNAPSHOT
  EssentialsChat-2.x-SNAPSHOT
  EssentialsSpawn-2.x-SNAPSHOT
  funnyguilds-.4.1.0
  HolographicDisplays
  MagicMc-Disco
  MH-API
  MH-DROP
  NoCheatPlus
  PermissionsEx
  ProtocolLib
  ProtocolTab
  Shopkeepers
  skDragon
  Skellett
  SkQuery
  skRayFall
  Skript
  skUtilities
  Tablist
  ThBans
  VanishNoPacket
  Vault
  Whitelist
  WildSkript
  WorldEdit
  worldguard
  y-AntiProxy