if no target branch is found, OK button ihn MergeChanges dialog is enabled however. Pressing results in exception:

Error during dispatching of java.awt.event.MouseEvent[MOUSE_RELEASED,(94,91),absolute(606,677),button=1,modifiers=Button1,clickCount=1] on ###overrideRedirect###
java.lang.NullPointerException
at org.jetbrains.tfsIntegration.ui.MergeBranchForm.getTargetPath(MergeBranchForm.java:168)
at org.jetbrains.tfsIntegration.ui.MergeBranchDialog.getTargetPath(MergeBranchDialog.java:54)
at org.jetbrains.tfsIntegration.actions.MergeBranchAction.execute(MergeBranchAction.java:69)
at org.jetbrains.tfsIntegration.actions.SingleItemAction.actionPerformed(SingleItemAction.java:49)
at com.intellij.openapi.actionSystem.impl.ActionMenuItem$ActionTransmitter.actionPerformed(ActionMenuItem.java:12)
at javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:1995)
at com.intellij.openapi.actionSystem.impl.ActionMenuItem.fireActionPerformed(ActionMenuItem.java:27)
at com.intellij.ui.plaf.beg.BegMenuItemUI.a(BegMenuItemUI.java:96)
at com.intellij.ui.plaf.beg.BegMenuItemUI.access$300(BegMenuItemUI.java:222)
at com.intellij.ui.plaf.beg.BegMenuItemUI$MyMouseInputHandler.mouseReleased(BegMenuItemUI.java:1)
at java.awt.Component.processMouseEvent(Component.java:6041)
at javax.swing.JComponent.processMouseEvent(JComponent.java:3265)
at java.awt.Component.processEvent(Component.java:5806)
at java.awt.Container.processEvent(Container.java:2058)
at java.awt.Component.dispatchEventImpl(Component.java:4413)
at java.awt.Container.dispatchEventImpl(Container.java:2116)
at java.awt.Component.dispatchEvent(Component.java:4243)
at java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:4322)
at java.awt.LightweightDispatcher.processMouseEvent(Container.java:3986)
at java.awt.LightweightDispatcher.dispatchEvent(Container.java:3916)
at java.awt.Container.dispatchEventImpl(Container.java:2102)
at java.awt.Window.dispatchEventImpl(Window.java:2440)
at java.awt.Component.dispatchEvent(Component.java:4243)
at java.awt.EventQueue.dispatchEvent(EventQueue.java:599)
at com.intellij.ide.IdeEventQueue.c(IdeEventQueue.java:42)
at com.intellij.ide.IdeEventQueue.b(IdeEventQueue.java:58)
at com.intellij.ide.IdeEventQueue.dispatchEvent(IdeEventQueue.java:213)
at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:273)
at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:183)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:173)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:168)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:160)
at java.awt.EventDispatchThread.run(EventDispatchThread.java:121)