Getting this error message

by Gelete
When using the singleton true option in my deck file...
Description: [describe what you were doing when the crash occurred]
Description: [describe what you were doing when the crash occurred]
- IllegalStateException | Open
- Code: Select all
Forge Version: 1.4.7-r23046M
Operating System: Windows 7 6.1 x86
Java Version: 1.7.0_25 Oracle Corporation
java.lang.IllegalStateException: The cardpool has been depleted and has no more cards for slot BasicLand
at forge.card.UnOpenedProduct.getBoosterPack(UnOpenedProduct.java:70)
at forge.card.UnOpenedProduct.get(UnOpenedProduct.java:61)
at forge.card.UnOpenedProduct.get(UnOpenedProduct.java:17)
at forge.game.limited.BoosterDraft.get8BoosterPack(BoosterDraft.java:230)
at forge.game.limited.BoosterDraft.<init>(BoosterDraft.java:153)
at forge.gui.home.sanctioned.CSubmenuDraft.setupDraft(CSubmenuDraft.java:160)
at forge.gui.home.sanctioned.CSubmenuDraft.access$000(CSubmenuDraft.java:38)
at forge.gui.home.sanctioned.CSubmenuDraft$2.run(CSubmenuDraft.java:59)
at forge.gui.toolbox.FLabel._doMouseAction(FLabel.java:309)
at forge.gui.toolbox.FLabel.access$1300(FLabel.java:51)
at forge.gui.toolbox.FLabel$6.mouseReleased(FLabel.java:355)
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.dispatchEventImpl(Unknown Source)
at java.awt.EventQueue.access$200(Unknown Source)
at java.awt.EventQueue$3.run(Unknown Source)
at java.awt.EventQueue$3.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)
at java.security.ProtectionDomain$1.doIntersectionPrivilege(Unknown Source)
at java.security.ProtectionDomain$1.doIntersectionPrivilege(Unknown Source)
at java.awt.EventQueue$4.run(Unknown Source)
at java.awt.EventQueue$4.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)
at java.security.ProtectionDomain$1.doIntersectionPrivilege(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)