[08:43:58] [Server thread/INFO]: Error occurred while executing command: For input string: "1f15ca3c0e61.dat.tmp"
[08:44:02] [Server thread/FATAL]: Error executing task
java.util.concurrent.ExecutionException: java.lang.NumberFormatException: For input string: "1f15ca3c0e61.dat.tmp"
        at java.util.concurrent.FutureTask.report(FutureTask.java:122) ~[?:1.8.0_101]
        at java.util.concurrent.FutureTask.get(FutureTask.java:192) ~[?:1.8.0_101]
        at net.minecraft.util.Util.func_181617_a(SourceFile:45) [g.class:?]
        at net.minecraft.server.MinecraftServer.func_71190_q(MinecraftServer.java:660) [MinecraftServer.class:?]
        at net.minecraft.server.dedicated.DedicatedServer.func_71190_q(DedicatedServer.java:344) [ko.class:?]
        at net.minecraft.server.MinecraftServer.func_71217_p(MinecraftServer.java:605) [MinecraftServer.class:?]
        at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:481) [MinecraftServer.class:?]
        at java.lang.Thread.run(Thread.java:745) [?:1.8.0_101]
Caused by: java.lang.NumberFormatException: For input string: "1f15ca3c0e61.dat.tmp"
        at java.lang.NumberFormatException.forInputString(NumberFormatException.java:65) ~[?:1.8.0_101]
        at java.lang.Long.parseLong(Long.java:589) ~[?:1.8.0_101]
        at java.lang.Long.valueOf(Long.java:776) ~[?:1.8.0_101]
        at java.lang.Long.decode(Long.java:928) ~[?:1.8.0_101]
        at java.util.UUID.fromString(UUID.java:206) ~[?:1.8.0_101]
        at org.spongepowered.common.service.user.UserDiscoverer.getAllProfiles(UserDiscoverer.java:134) ~[UserDiscoverer.class:1.8.9-1890-4.2.0-BETA-1653]
        at org.spongepowered.common.service.user.SpongeUserStorageService.getAll(SpongeUserStorageService.java:84) ~[SpongeUserStorageService.class:1.8.9-1890-4.2.0-BETA-1653]
        at io.github.nucleuspowered.nucleus.argumentparsers.GameProfileArgument.parseValue(GameProfileArgument.java:40) ~[GameProfileArgument.class:0.7.0]
        at org.spongepowered.api.command.args.CommandElement.parse(CommandElement.java:83) ~[CommandElement.class:1.8.9-1890-4.2.0-BETA-1653]
        at org.spongepowered.api.command.args.GenericArguments$OnlyOneCommandElement.parse(GenericArguments.java:1382) ~[GenericArguments$OnlyOneCommandElement.class:1.8.9-1890-4.2.0-BETA-1653]
        at org.spongepowered.api.command.args.GenericArguments$FirstParsingCommandElement.parse(GenericArguments.java:422) ~[GenericArguments$FirstParsingCommandElement.class:1.8.9-1890-4.2.0-BETA-1653]
        at org.spongepowered.api.command.args.GenericArguments$SequenceCommandElement.complete(GenericArguments.java:288) ~[GenericArguments$SequenceCommandElement.class:1.8.9-1890-4.2.0-BETA-1653]
        at org.spongepowered.api.command.spec.CommandSpec.complete(CommandSpec.java:302) ~[CommandSpec.class:1.8.9-1890-4.2.0-BETA-1653]
        at org.spongepowered.api.command.spec.CommandSpec.getSuggestions(CommandSpec.java:337) ~[CommandSpec.class:1.8.9-1890-4.2.0-BETA-1653]
        at org.spongepowered.api.command.dispatcher.SimpleDispatcher.getSuggestions(SimpleDispatcher.java:346) ~[SimpleDispatcher.class:1.8.9-1890-4.2.0-BETA-1653]
        at org.spongepowered.common.command.SpongeCommandManager.getSuggestions(SpongeCommandManager.java:329) ~[SpongeCommandManager.class:1.8.9-1890-4.2.0-BETA-1653]
        at net.minecraft.command.ServerCommandManager.func_180524_a(SourceFile:168) ~[bd.class:?]
        at net.minecraft.server.MinecraftServer.func_180506_a(MinecraftServer.java:832) ~[MinecraftServer.class:?]
        at net.minecraftforge.server.console.ConsoleCommandCompleter$1.call(ConsoleCommandCompleter.java:50) ~[ConsoleCommandCompleter$1.class:?]
        at net.minecraftforge.server.console.ConsoleCommandCompleter$1.call(ConsoleCommandCompleter.java:45) ~[ConsoleCommandCompleter$1.class:?]
        at java.util.concurrent.FutureTask.run(FutureTask.java:266) ~[?:1.8.0_101]
        at net.minecraft.util.Util.func_181617_a(SourceFile:44) ~[g.class:?]
        ... 5 more