You need to find the detail error for this. You can use below
1.0 Click on the Report in the error message. Check what is there.
2.0 Then Try to find out the error in Log window. (Right hand upper corner there is a login user infor→ debug→ Enable log window)
3.0 Close the log window then click on F12 and then check what is the error mentioned in that window as well
From no 2 :
Database error occurred. Contact administrator.
Url: https://ifspsam-d03.demo.ifs.cloud/main/ifsapplications/projection/v1/PermissionSetHandling.svc/PermissionSets(Role='IFSAPP_FULL')/AllGrantedLobbyPages?$select=Role,SourcePermissionSet,luname,keyref&$expand=LobbyPageRef($select=Title,Objgrants,luname,keyref)&$skip=0&$top=25 Date = 2021-03-16T08:46:05.704Z
Client version = 21.1E.1.20210115082100.0
from no 3 :
04:48:35 ERROR - PL/SQL: (Server Error) numeric or value error Database error occurred. Contact administrator. undefined