arcenis v144 running error

Code:

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Loading Novak's Development
Host: 127.0.0.1:8484
In-game Version: 144.3
Source Revision: 29.1
Worlds: Total: 35 Visible: 1
Packet Encryption Detected
Running Threads....... Complete!
Loading Login Server... Complete!
Login Server is listening on port 8484.
Loading Channels...
Channel 1 is listening on port 8585.
Channel 2 is listening on port 8586.
Channel 3 is listening on port 8587.
Exception in thread "main" java.lang.OutOfMemoryError: Java heap space
        at java.util.Arrays.copyOf(Unknown Source)
        at java.lang.String.<init>(Unknown Source)
        at java.io.Win32FileSystem.resolve(Unknown Source)
        at java.io.File.<init>(Unknown Source)
        at java.io.File.listFiles(Unknown Source)
        at provider.wz.XMLWZFile.fillMapleDataEntitys(XMLWZFile.java:43)
        at provider.wz.XMLWZFile.fillMapleDataEntitys(XMLWZFile.java:48)
        at provider.wz.XMLWZFile.fillMapleDataEntitys(XMLWZFile.java:48)
        at provider.wz.XMLWZFile.<init>(XMLWZFile.java:39)
        at provider.MapleDataProviderFactory.getWZ(MapleDataProviderFactory.java
:53)
        at provider.MapleDataProviderFactory.getWZ(MapleDataProviderFactory.java
:34)
        at provider.MapleDataProviderFactory.getDataProvider(MapleDataProviderFa
ctory.java:61)
        at server.maps.MapleMapFactory.<init>(MapleMapFactory.java:58)
        at handling.channel.ChannelServer.<init>(ChannelServer.java:85)
        at handling.channel.ChannelServer.newInstance(ChannelServer.java:167)
        at handling.channel.ChannelServer.startChannel_Main(ChannelServer.java:2
76)
        at server.Start.run(Start.java:222)
        at server.Start.main(Start.java:256)
[Send]  REACTOR_HIT                    |      698    |      0x02BA
[Send]  REACTOR_HIT                    |      698    |      0x02BA
[Send]  BOAT_MOVE                      |      322    |      0x0142
[Send]  BOAT_MOVE                      |      322    |      0x0142
[Send]  BOAT_MOVE                      |      322    |      0x0142
[Send]  BOAT_MOVE                      |      322    |      0x0142
[Send]  REACTOR_HIT                    |      698    |      0x02BA
[Send]  BOAT_MOVE                      |      322    |      0x0142
[Send]  BOAT_MOVE                      |      322    |      0x0142

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i have this error i got the WZ files and still same problem anyone can help ?:*: