World wouldn't load
Downloaded into the folder that works for other downloaded programs, then tried to open it though Alice and I got this error!
Throwable that caused the error:
edu.cmu.cs.stage3.alice.core.ExceptionWrapper: ClassNotFoundException: edu.cmu.cs.stage3.alice.core.question.math.Int
at edu.cmu.cs.stage3.alice.core.Element.load(Element. java:1498)
at edu.cmu.cs.stage3.alice.core.Element.load(Element. java:1483)
at edu.cmu.cs.stage3.alice.core.Element.load(Element. java:1483)
at edu.cmu.cs.stage3.alice.core.Element.load(Element. java:1483)
at edu.cmu.cs.stage3.alice.core.Element.load(Element. java:1483)
at edu.cmu.cs.stage3.alice.core.Element.load(Element. java:1531)
at edu.cmu.cs.stage3.alice.authoringtool.dialog.LoadE lementProgressPane.construct(LoadElementProgressPa ne.java:36)
at edu.cmu.cs.stage3.progress.ProgressPane$2.run(Prog ressPane.java:82)
at java.lang.Thread.run(Unknown Source)
Wrapped exception:
java.lang.ClassNotFoundException: edu.cmu.cs.stage3.alice.core.question.math.Int
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 java.lang.ClassLoader.loadClassInternal(Unknown Source)
at java.lang.Class.forName0(Native Method)
at java.lang.Class.forName(Unknown Source)
at edu.cmu.cs.stage3.alice.core.Element.load(Element. java:1448)
at edu.cmu.cs.stage3.alice.core.Element.load(Element. java:1483)
at edu.cmu.cs.stage3.alice.core.Element.load(Element. java:1483)
at edu.cmu.cs.stage3.alice.core.Element.load(Element. java:1483)
at edu.cmu.cs.stage3.alice.core.Element.load(Element. java:1483)
at edu.cmu.cs.stage3.alice.core.Element.load(Element. java:1531)
at edu.cmu.cs.stage3.alice.authoringtool.dialog.LoadE lementProgressPane.construct(LoadElementProgressPa ne.java:36)
at edu.cmu.cs.stage3.progress.ProgressPane$2.run(Prog ressPane.java:82)
at java.lang.Thread.run(Unknown Source)