这是什么问题？怎么解决。
服务器运行的时候也会提示类似的
关服提示报错：
9:35:19 [INFO] Saving players
9:35:19 [INFO] Saving worlds
9:35:19 [INFO] Saving chunks for level 'world'/Overworld
9:35:19 [INFO] Saving chunks for level 'tangguoxingqiu'/Overworld
9:35:19 [WARNING] java.io.FileNotFoundException: .\world\DIM7\SecretRooms-ownership.dat (?????????????????)
9:35:19 [WARNING]  at java.io.FileOutputStream.open(Native Method)
9:35:19 [WARNING]  at java.io.FileOutputStream.<init>(Unknown Source)
9:35:19 [WARNING]  at java.io.FileOutputStream.<init>(Unknown Source)
9:35:19 [WARNING]  at com.github.abrarsyed.secretroomsmod.common.OwnershipManager.getDataOut(OwnershipManager.java:283)
9:35:19 [WARNING]  at com.github.abrarsyed.secretroomsmod.common.OwnershipManager.saveWorld(OwnershipManager.java:245)
9:35:19 [WARNING]  at com.github.abrarsyed.secretroomsmod.common.OwnershipManager.onWorldSave(OwnershipManager.java:208)
9:35:19 [WARNING]  at cpw.mods.fml.common.eventhandler.ASMEventHandler_31_OwnershipManager_onWorldSave_Save.invoke(.dynamic)
9:35:19 [WARNING]  at cpw.mods.fml.common.eventhandler.ASMEventHandler.invoke(ASMEventHandler.java:54)
9:35:19 [WARNING]  at cpw.mods.fml.common.eventhandler.EventBus.post(EventBus.java:138)
9:35:19 [WARNING]  at net.minecraft.world.WorldServer.func_73044_a(WorldServer.java:1054)
9:35:19 [WARNING]  at net.minecraft.server.MinecraftServer.func_71267_a(MinecraftServer.java:519)
9:35:19 [WARNING]  at net.minecraft.server.MinecraftServer.func_71260_j(MinecraftServer.java:571)
9:35:19 [WARNING]  at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:718)
9:35:19 [WARNING]  at java.lang.Thread.run(Unknown Source)


9:35:19 [INFO] Saving chunks for level 'shiluo'/Overworld
9:35:19 [WARNING] java.io.FileNotFoundException: .\world\DIM6\SecretRooms-ownership.dat (?????????????????)


9:35:19 [INFO] Saving chunks for level 'zhange'/Overworld
9:35:19 [WARNING] java.io.FileNotFoundException: .\world\DIM9\SecretRooms-ownership.dat (?????????????????)

DIM7是暮色森林世界，可能你转的地图之前装过暮色  而你的服务器没有暮色mod   所以他读不出来   删了DIM7就行了{:10_492:}

根本没有DIM7这个地图档

请问你使用的是mv多世界插件还是mw多世界插件，如果你愿意可以同时装上，不冲突，而且可以解决彼此的问题