Error retrieving list of registered PI components from SLD

Hi experts,

When iam trying to import SCW dfrom ESR facing the issue could not read the SWCV from SLD.

I check SLD registration then got the meessage

"Error retrieving list of registered PI components from SLD"

when iam trying to register the each object getting message the through user PISUPER

"unable to register the application repository with SLD. Details: com.sap.aii.utilxi.sld.RegistrationFailedException: HTTP response code: 403 (Forbidden)"

I agreed that  as PI is newly installed . so that i m getting issue.

I have check already so much thread and SAP note but still facing the issue.

Your help will be appreciated .

thanks and regards,

Anup Banerjee.