这种报错是什么意思？每隔一段时间就出现一次，但是服务端还是正常运行。
怎么解决？
20:48:51 [WARNING] java.io.FileNotFoundException: .\world\DIM9\SecretRooms-ownership.dat (?????????????????)
20:48:51 [WARNING] java.io.FileNotFoundException: .\world\DIM7\SecretRooms-ownership.dat (?????????????????)
20:48:51 [WARNING] java.io.FileNotFoundException: .\world\DIM6\SecretRooms-ownership.dat (?????????????????)

20:48:51 [WARNING] java.io.FileNotFoundException: .\world\DIM8\SecretRooms-ownership.dat (?????????????????)
20:48:51 [WARNING]  at java.io.FileOutputStream.open(Native Method)
20:48:51 [WARNING]  at java.io.FileOutputStream.<init>(Unknown Source)
20:48:51 [WARNING]  at java.io.FileOutputStream.<init>(Unknown Source)
20:48:51 [WARNING]  at com.github.abrarsyed.secretroomsmod.common.OwnershipManager.getDataOut(OwnershipManager.java:283)
20:48:51 [WARNING]  at com.github.abrarsyed.secretroomsmod.common.OwnershipManager.saveWorld(OwnershipManager.java:245)
20:48:51 [WARNING]  at com.github.abrarsyed.secretroomsmod.common.OwnershipManager.onWorldSave(OwnershipManager.java:208)
20:48:51 [WARNING]  at cpw.mods.fml.common.eventhandler.ASMEventHandler_32_OwnershipManager_onWorldSave_Save.invoke(.dynamic)
20:48:51 [WARNING]  at cpw.mods.fml.common.eventhandler.ASMEventHandler.invoke(ASMEventHandler.java:54)
20:48:51 [WARNING]  at cpw.mods.fml.common.eventhandler.EventBus.post(EventBus.java:138)
20:48:51 [WARNING]  at net.minecraft.world.WorldServer.func_73044_a(WorldServer.java:1054)
20:48:51 [WARNING]  at net.minecraft.server.MinecraftServer.func_71267_a(MinecraftServer.java:519)
20:48:51 [WARNING]  at net.minecraft.server.MinecraftServer.func_71217_p(MinecraftServer.java:823)
20:48:51 [WARNING]  at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:658)
20:48:51 [WARNING]  at java.lang.Thread.run(Unknown Source)

无视吧，只是地图读取错误而已，没影响

如果服务器没必要的话把SecretRooms这个mod删了吧，如果没有这个mod的话把SecretRooms-ownership.dat 这个文件删了

没用，还是会生成这个文件。