Minetweaker errors

[Lepercy]

I run a 2.4 Hardmode Foolcraft server. The following errors as slowing down the server....

04.11 12:14:50 [Server] Server thread/INFO [STDOUT]: [minetweaker.mc1102.server.MCServer:getPlayer:44]: Please report to mod author if this is incorrect!
04.11 12:14:50 [Server] Server thread/INFO [STDOUT]: [minetweaker.mc1102.server.MCServer:getPlayer:43]: player name: @
04.11 12:14:50 [Server] Server thread/INFO [STDOUT]: [minetweaker.mc1102.server.MCServer:getPlayer:42]: Unsupported command sender: ivorius.reccomplex.world.gen.script.WorldScriptCommand$1@265780c4 defaulting to server player!
04.11 12:14:50 [Server] Server thread/INFO [STDOUT]: [minetweaker.mc1102.server.MCServer:getPlayer:44]: Please report to mod author if this is incorrect!
04.11 12:14:50 [Server] Server thread/INFO [STDOUT]: [minetweaker.mc1102.server.MCServer:getPlayer:43]: player name: @
04.11 12:14:50 [Server] Server thread/INFO [STDOUT]: [minetweaker.mc1102.server.MCServer:getPlayer:42]: Unsupported command sender: ivorius.reccomplex.world.gen.script.WorldScriptCommand$1@cf511cc defaulting to server player!