// Failed to save operators list:java.lang.IllegalArgumentException: class zu declares multiple JSON fields named aat com.google.gson.internal.bind.ReflectiveTypeAdapterFactory.getBoundFields(ReflectiveTypeAdapterFactory.java:170) ~[server.jar:?]at com.google.gson.internal.bind.ReflectiveTypeAdapterFactory.create(ReflectiveTypeAdapterFactory.java:100) ~[server.jar:?]at com.google.gson.Gson.getAdapter(Gson.java:423) ~[server.jar:?]at com.google.gson.internal.bind.TypeAdapterRuntimeTypeWrapper.write(TypeAdapterRuntimeTypeWrapper.java:56) ~[server.jar:?]at com.google.gson.internal.bind.CollectionTypeAdapterFactory$Adapter.write(CollectionTypeAdapterFactory.java:97) ~[server.jar:?]at com.google.gson.internal.bind.CollectionTypeAdapterFactory$Adapter.write(CollectionTypeAdapterFactory.java:61) ~[server.jar:?]at com.google.gson.Gson.toJson(Gson.java:669) ~[server.jar:?]at com.google.gson.Gson.toJson(Gson.java:648) ~[server.jar:?]at com.google.gson.Gson.toJson(Gson.java:623) ~[server.jar:?]at zw.f(SourceFile:114) ~[server.jar:?]at wg.B(SourceFile:114) [server.jar:?]at wg.<init>(SourceFile:31) [server.jar:?]at wh.d(SourceFile:186) [server.jar:?]at net.minecraft.server.MinecraftServer.run(SourceFile:634) [server.jar:?]at java.lang.Thread.run(Thread.java:748) [?:1.8.0_212]

// An unexpected error occurred trying to execute that command