Toolbar button in grid is in Row with no Rows parent

StringBuilder debug = new StringBuilder("Trying to find user for room control: " + tbbAddToRoom + "\n");
// try again to find user based on component, we're trying to get information to help troubleshoot ticket #243
ListModel listModel = ...
Grid grid = ...
Object data = null;
Component rowComponent = null;
Component parent = tbbAddToRoom.getParent();
while ((rowComponent == null) && (parent != null)) {
	if (parent instanceof Row) {
		debug.append("Found Row: " + parent + "\n");
		rowComponent = parent;
		// to ensure it's loaded
		grid.renderRow((Row) rowComponent);
		int index = grid.getRows().getChildren().indexOf(rowComponent);
		debug.append("Index of row in rows: " + index + "\n");
		if (index == -1) {
			debug.append("Trying to find by row parent\n");
			Component rows = rowComponent.getParent();
			if (rows != null) {
				index = rows.getChildren().indexOf(rowComponent);
				debug.append("Index of row in row parent: " + index + "\n");
			} else {
				debug.append("Row has no Rows parent\n");
			}
		}
		if (index != -1) data = listModel.getElementAt(index);
	}
	parent = parent.getParent();
}
if (data == null) throw new IllegalStateException("Could not find user by room control:\n" + debug);