It even doesn't matter if I play locally

Here's the log:
INFO [Properties.<init>] VERSION: 1.2.3
INFO [Properties.<init>] Classpath: data.jar
INFO [Properties.<init>] Java VM: 14.0-b16
INFO [Properties.<init>] Java Runtime: 1.6.0_14-b08
INFO [Properties.<init>] OS: Windows XP 5.1 x86
INFO [Properties.<init>] Java Library Path: lib
INFO [Properties.<init>] Max Memory: 266403840
INFO [Properties.<init>] Avaialble Processors: 1
INFO [PropertiesBase.readFromFile] Reading Settings from file settings.txt
INFO [Settings.<init>] Settings file not found: settings.txt (Das System kann die angegebene Datei nicht finden)
INFO [SubstanceLoader.initLookAndFeel] Window Skin: Default
INFO [MasterClient.setServerAddress] MasterClient: Address
http://www.planetmule.com/server INFO [MasterClient.logSend] MasterClient: Sending Login
INFO [MasterClient.apply] MasterClient: Session ID: null
INFO [Login$MasterListener$1.run] You must select your species to login
INFO [MasterClient.setServerAddress] MasterClient: Address
http://www.planetmule.com/server INFO [MasterClient.logSend] MasterClient: Sending Login
INFO [MasterClient.apply] MasterClient: Session ID: 5c3f9b24c2cdf8e3c03a1ac63c240f23
INFO [Login$MasterListener$1.run] Logged in as "JoeLag" (id 12510)
INFO [MetaFrame.<init>] Creating Meta Frame
INFO [MapSkinParser.findSkins] No extra skins found
INFO [MasterClient.logSend] MasterClient: Sending Enter Lobby
INFO [Login.dispose] Disposing login
INFO [Main.main] Creating game container
INFO [MuleGameContainer.<init>] LWJGL Version: 2.2.1
INFO [MuleGameContainer.<init>] Desktop Display Mode: 1280 x 1024 x 32 @60Hz
INFO [MuleGameContainer.<init>] Current Display Mode: 1280 x 1024 x 32 @60Hz
INFO [MuleGameContainer.<init>] Display Adapter: s3gnb
INFO [MuleGameContainer.<init>] Display Driver: 6.14.10.12
INFO [MuleGameContainer.setVSync] Setting vsync: true
INFO [MuleGameContainer.<init>] Setting pixel format
INFO [MuleGameContainer$1.run] Pixel format: Samples=0 Alpha=0 Depth=8 Stencil=0
SEVERE [MuleGameContainer$1.run] Pixel format not accelerated
SEVERE [Main.logError] com.turborilla.mule.MuleException: Failed to initialize LWJGL display
at com.turborilla.mule.view.MuleGameContainer.<init>(Unknown Source)
at com.turborilla.mule.Main.main(Unknown Source)