Hi Naveen,
Could you please check did you installed the below mentioned component
Step 1:
https://www.consolut.com/en/s/sap-ides-access/d/s/doc/YP-RELNEA_HR_607_MSS_UI5_M
- New landing page based on SAPUI5
o Approvals
Displays the workflow-based Leave Approval, CATS Approval, Clock In/Clock Out Approval, and other approvals available to the manager
Note that as a prerequisite, you have installed the component IW_PGW 100 SP03 in the SAP Net Weaver Gateway system and the component IW_BEP 200 SP06 in the back-end system.
Step 2:
http://scn.sap.com/thread/3698917
My Approval UI5 "No data" Issue resolved by applying below changes.
- Upgrade Gateway 2.0 service to latest release IW_PGW SP7.
- Version-2 task processing Odata services needs to be updated .
- maintain Odata with Ztaskprocessing version-2 and also entry in /IWFND/I_MGDPIM table.
Regards
CRANGV