got this error while playing forge draft mode version 10/02

[jmartus]

An error has occured. You can copy/paste this message or save it to a file.
Please report this, plus what you tried to do, to:
viewforum.php?f=26
If you don't want to register an account, you can mail it directly to
mtgerror@yahoo.com


Index: 0, Size: 0


Version:
Forge -- official beta: $Date: 2010-09-14 08:34:27 -0400 (Tue, 14 Sep 2010) $, SVN revision: $Revision: 2039 $

OS: Windows 7 Version: 6.1 Architecture: x86

Java Version: 1.6.0_21 Vendor: Sun Microsystems Inc.

Detailed error trace:
java.lang.IndexOutOfBoundsException: Index: 0, Size: 0
at java.util.ArrayList.RangeCheck(Unknown Source)
at java.util.ArrayList.remove(Unknown Source)
at forge.MagicStack.pop(MagicStack.java:320)
at forge.Input_StackNotEmpty.selectButtonOK(Input_StackNotEmpty.java:23)
at forge.GuiInput.selectButtonOK(GuiInput.java:36)
at forge.GuiDisplay4.okButtonActionPerformed(GuiDisplay4.java:985)
at forge.GuiDisplay4.access$3(GuiDisplay4.java:984)
at forge.GuiDisplay4$25.actionPerformed(GuiDisplay4.java:771)
at javax.swing.AbstractButton.fireActionPerformed(Unknown Source)
at javax.swing.AbstractButton$Handler.actionPerformed(Unknown Source)
at javax.swing.DefaultButtonModel.fireActionPerformed(Unknown Source)
at javax.swing.DefaultButtonModel.setPressed(Unknown Source)
at javax.swing.plaf.basic.BasicButtonListener.mouseReleased(Unknown Source)
at java.awt.Component.processMouseEvent(Unknown Source)
at javax.swing.JComponent.processMouseEvent(Unknown Source)
at java.awt.Component.processEvent(Unknown Source)
at java.awt.Container.processEvent(Unknown Source)
at java.awt.Component.dispatchEventImpl(Unknown Source)
at java.awt.Container.dispatchEventImpl(Unknown Source)
at java.awt.Component.dispatchEvent(Unknown Source)
at java.awt.LightweightDispatcher.retargetMouseEvent(Unknown Source)
at java.awt.LightweightDispatcher.processMouseEvent(Unknown Source)
at java.awt.LightweightDispatcher.dispatchEvent(Unknown Source)
at java.awt.Container.dispatchEventImpl(Unknown Source)
at java.awt.Window.dispatchEventImpl(Unknown Source)
at java.awt.Component.dispatchEvent(Unknown Source)
at java.awt.EventQueue.dispatchEvent(Unknown Source)
at java.awt.EventDispatchThread.pumpOneEventForFilters(Unknown Source)
at java.awt.EventDispatchThread.pumpEventsForFilter(Unknown Source)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(Unknown Source)
at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
at java.awt.EventDispatchThread.run(Unknown Source)