These links may help you to resolve your issue,
SAPUI5 call REST error( No 'Access-Control-Allow-Origin' header...) or empty object
Issues with Access-Control-Allow-Origin Header even after Disabling Web Security in Chrome
These links may help you to resolve your issue,
SAPUI5 call REST error( No 'Access-Control-Allow-Origin' header...) or empty object
Issues with Access-Control-Allow-Origin Header even after Disabling Web Security in Chrome