2011-09-17 11:57:20 [SEVERE] Exception in thread "Listen thread"
2011-09-17 11:57:20 [SEVERE] Error occurred while enabling Citizens v1.0.9 (Is it up to date?): Java heap space
java.lang.OutOfMemoryError: Java heap space
        at java.util.Arrays.copyOfRange(Arrays.java:2694)
        at java.lang.String.<init>(String.java:234)
        at java.lang.StringBuilder.toString(StringBuilder.java:405)
        at org.yaml.snakeyaml.reader.StreamReader.getMark(StreamReader.java:74)
        at org.yaml.snakeyaml.scanner.ScannerImpl.fetchValue(ScannerImpl.java:769)
        at org.yaml.snakeyaml.scanner.ScannerImpl.fetchMoreTokens(ScannerImpl.java:307)
        at org.yaml.snakeyaml.scanner.ScannerImpl.checkToken(ScannerImpl.java:183)
        at org.yaml.snakeyaml.parser.ParserImpl$ParseBlockMappingKey.produce(ParserImpl.java:564)
        at org.yaml.snakeyaml.parser.ParserImpl.peekEvent(ParserImpl.java:163)
        at org.yaml.snakeyaml.parser.ParserImpl.checkEvent(ParserImpl.java:148)
        at org.yaml.snakeyaml.composer.Composer.composeMappingNode(Composer.java:228)
        at org.yaml.snakeyaml.composer.Composer.composeNode(Composer.java:160)
        at org.yaml.snakeyaml.composer.Composer.composeMappingNode(Composer.java:230)
        at org.yaml.snakeyaml.composer.Composer.composeNode(Composer.java:160)
        at org.yaml.snakeyaml.composer.Composer.composeMappingNode(Composer.java:230)
        at org.yaml.snakeyaml.composer.Composer.composeNode(Composer.java:160)
        at org.yaml.snakeyaml.composer.Composer.composeMappingNode(Composer.java:230)
        at org.yaml.snakeyaml.composer.Composer.composeNode(Composer.java:160)
        at org.yaml.snakeyaml.composer.Composer.composeMappingNode(Composer.java:230)
        at org.yaml.snakeyaml.composer.Composer.composeNode(Composer.java:160)
        at org.yaml.snakeyaml.composer.Composer.composeDocument(Composer.java:122)
        at org.yaml.snakeyaml.composer.Composer.getSingleNode(Composer.java:105)
        at org.yaml.snakeyaml.constructor.BaseConstructor.getSingleData(BaseConstructor.java:124)
        at org.yaml.snakeyaml.Yaml.load(Yaml.java:264)
        at org.bukkit.util.config.Configuration.load(Configuration.java:82)
        at com.citizens.properties.CachedYAMLHandler.load(CachedYAMLHandler.java:36)
        at com.citizens.properties.CachedYAMLHandler.<init>(CachedYAMLHandler.java:29)
        at com.citizens.properties.PropertyManager.<clinit>(PropertyManager.java:15)
        at com.citizens.Citizens.registerTypes(Citizens.java:272)
        at com.citizens.Citizens.onEnable(Citizens.java:87)
        at org.bukkit.plugin.java.JavaPlugin.setEnabled(JavaPlugin.java:126)
        at org.bukkit.plugin.java.JavaPluginLoader.enablePlugin(JavaPluginLoader.java:885)
2011-09-17 11:57:20 [SEVERE] java.lang.OutOfMemoryError: Java heap space
2011-09-17 11:57:20 [SEVERE]    at java.io.BufferedOutputStream.<init>(BufferedOutputStream.java:76)
2011-09-17 11:57:20 [SEVERE]    at net.minecraft.server.NetworkManager.<init>(NetworkManager.java:56)
2011-09-17 11:57:20 [SEVERE]    at net.minecraft.server.NetLoginHandler.<init>(NetLoginHandler.java:22)
2011-09-17 11:57:20 [SEVERE]    at net.minecraft.server.NetworkAcceptThread.run(SourceFile:49)