You have created an application which uses labels associated to other control (like combobox). The asterisk (*) which indicates that the field is required appears only for higher SAPUI5 versions, and not for 1.38.
SAP UI for Netweaver 2.0
star, mandatory, UI5 , KBA , CA-UI5-CTR , SAP UI5 Controls , How To
About this pageThis is a preview of a SAP Knowledge Base Article. Click more to access the full version on SAP ONE Support launchpad (Login required).
Search for additional results
Visit SAP Support Portal's SAP Notes and KBA Search.