fix for craft lag

status
Server Status:
  --->  Player Count: 4/1000
  +-->  Object Count: 33227
  +-->      AI Count: 4558
  +.... L2Item(Void): 550
  +.......... L2Item: 424
  +....... L2Monster: 30760
  +......... Minions: 1728
  +.. Minions Groups: 1099
  +........... L2Npc: 1287
  +............ L2Pc: 4
  +........ L2Summon: 7
  +.......... L2Door: 169
  +.......... L2Char: 0
  --->   Ingame Time: 13:19
  ---> Server Uptime: 25hrs 9mins 11secs
  --->      GM Count: 0
performance
HIGH (1)
ActiveThreads:    0
CompletedTasks:   11944
ScheduledTasks:   0
TaskCount(total): 11944
PoolSize:         4

MedHigh (1)
ActiveThreads:    0
CompletedTasks:   305845
ScheduledTasks:   11
TaskCount(total): 305856
PoolSize:         4

MEDIUM (-1)
ActiveThreads:    1
CompletedTasks:   423772
ScheduledTasks:   4
TaskCount(total): 423776
PoolSize:         4

LOW (-2)
ActiveThreads:    0
CompletedTasks:   11123905
ScheduledTasks:   378
TaskCount(total): 11124283
PoolSize:         4

AI (-1)
ActiveThreads:    0
CompletedTasks:   135619633
ScheduledTasks:   3658
TaskCount(total): 135623291
PoolSize:         4

CRAFT (-2)
ActiveThreads:    0
CompletedTasks:   72
ScheduledTasks:   0
TaskCount(total): 72
PoolSize:         4