Unable to fetch services from on-premise backend system in HCI ODATA Provisioning

HI All,

I have connected an on-premise system to HCI Odata provisioning service. i have defined it as an a destination in odata provisioning config. and is is saying connection is successful using hana cloud connector. However when i try and register a service on HCP and try to search for services, I get this error :

The config done is :

Troubleshooting message :

Kindly help! Thanks