Fiori: Travel request submit error

Hi Fiori Experts,

We are trying to create Travel Request, when we enter the details and try to submit the button, it throws errors,

2. Uncaught ReferenceError: messageErrorDisplayed is not defined Creation.controller.js:88
   1. com.sap.kelley.trc.controllers.Creation.onSubmitCreation.controller.js:88
   2. f3sap-ui-core.js:18
   3. sap.ui.base.EventProvider.fireEventsap-ui-core.js:71
   4. sap.ui.core.Element.fireEventsap-ui-core.js:91
   5. (anonymous function)sap-ui-core.js:91
   6. sap.m.Button.ontapsap.m.Button:13
   7. sap.ui.core.Element._callEventHandlessap-ui-core.js:91
   8. sap.ui.core.Element._handleEventsap-ui-core.js:91
   9. sap.ui.core.UIArea._handleEventsap-ui-core.js:91
   10. f3sap-ui-core.js:18
   11. Q.event.dispatchsap-ui-core.js:18
   12. djquery-mobile-custom.js:10
   13. ljquery-mobile-custom.js:10
   14. Q.event.dispatchsap-ui-core.js:18
   15. i.handle.jsap-ui-core.js:18
   16. Q.event.triggersap-ui-core.js:18
   17. (anonymous function)sap-ui-core.js:18
   18. Q.extend.eachsap-ui-core.js:18
   19. Q.fn.Q.eachsap-ui-core.js:18
   20. Q.fn.extend.triggersap-ui-core.js:18
   21. Mjquery-mobile-custom.js:10
   22. Njquery-mobile-custom.js:10
   23. Q.event.dispatchsap-ui-core.js:18
   24. i.handle.j

Can you please throw some light on this error?

Regards,

Balaji