Manage profit Center Group app is not opening

Hi

When I click on Manage profit center group app, its not opening. Showing error as 503: Service not available.

In browser console I am getting below error

ui2/nwbc/~canvas;window=app/wda/FAC_PCG/?sap-wd-configId=FAC_PCG_CONF&sap-client=100&sap-language=EN&IV_SEARCH_X=X&IV_SETCLASS=0106&WDUIGUIDELINE=FIORI&sap-ie=EDGE&sap-ushell-defaultedParameterNames=%5B%22IV_SETCLASS%22%2C%22WDUIGUIDELINE%22%2C%22sap-ie%22%5D&sap-ie=edge&sap-theme=sap_belize&sap-shell=FLP1.48.1-NWBC 503 (Service Unavailable)