Game starts up and stops after 1 second

[Larsy]

java.lang.ClassNotFoundException: zombie.gameStates.MainScreenState

at java.net.URLClassLoader$1.run(Unknown Source)

at java.net.URLClassLoader$1.run(Unknown Source)

at java.security.AccessController.doPrivileged(Native Method)

at java.net.URLClassLoader.findClass(Unknown Source)

at java.lang.ClassLoader.loadClass(Unknown Source)

at sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source)

at java.lang.ClassLoader.loadClass(Unknown Source)

at com.exe4j.runtime.LauncherEngine.launch(Unknown Source)

at com.exe4j.runtime.WinLauncher.main(Unknown Source)

 

 

so, this is my problem and the game just doesn't work and i did everything i could for trying to start up this game but it never does work so please help me. 

(Error occured during initialization of UM)
(Incompatible minimum and maximum heap sizes specified)

[nasKo]

Please check in here:

http://theindiestone.com/forums/index.php/topic/3183-crash-after-2-seconds/

[Larsy]

i Sure will ^^

I thank you very VERY MUCH i can finally play the game now
THANKS ^^