SAPUI5 custom app on fior launch pad- adding elemenet with duplicate ID

Dear All, 2015-12-04 15:31:53 adding element with duplicate id 'Update' -  2015-12-04 15:31:53  Application initialization failed due to an Exception: destroy: function() { if (this.oRouteHandler) {    this.oRouteHandler.destroy();  }  sap.ui.core.UIComponent.prototype.destroy.apply(this, arguments); },