java.lang.ArrayIndexOutOfBoundsException: 8 >= 4
at java.util.Vector.elementAt(Vector.java:474)
at javax.swing.tree.DefaultMutableTreeNode.getChildAt(DefaultMutableTreeNode.java:245)
at javax.swing.tree.VariableHeightLayoutCache.treeNodesRemoved(VariableHeightLayoutCache.java:562)
at javax.swing.plaf.basic.BasicTreeUI$Handler.treeNodesRemoved(BasicTreeUI.java:3903)
at org.dubik.tasks.ui.tree.TaskTreeModel.fireTreeNodesRemoved(TaskTreeModel.java:264)
at org.dubik.tasks.ui.tree.TaskTreeModel.handleDeleteTaskEvent(TaskTreeModel.java:176)
at org.dubik.tasks.model.impl.TaskModel.fireDeleteTaskEvent(TaskModel.java:318)
at org.dubik.tasks.model.impl.TaskModel.deleteTask(TaskModel.java:148)
at org.dubik.tasks.TaskController.deleteTask(TaskController.java:213)
at org.dubik.tasks.ui.actions.RemoveTaskAction.deleteTasks(RemoveTaskAction.java:72)
at org.dubik.tasks.ui.actions.RemoveTaskAction.actionPerformed(RemoveTaskAction.java:65)
Have such exception in Rider 2017.3.1
Steps: