Error in Landing page pf HR Renewal UI5

Morning,

I have done all the configurations of SAP Netweaver Gateway and when i execute the Landing page the below error comes up, Has anyone faced a similar error if so how did you rectify this. please also check the screenshot

URL Address -

http://sthamtzn01.kaust.edu.sa:8000/sap/bc/ui5_ui5/sap/ARSRVC_SUITE_PB/main.html?page=SPB_LANDING_PAGE

Error -

Notifications (1)

 

Error occurred; try again later or contact your system administrator if problem persists

 

Thank You