NWDS 7.31 build errors: CMICardinality.ONE cannot be resolved

Hi,

I am getting the following errors after importing the WebDynpro Java DCs into NWDS 7.31, can anybody provide any resolution?

1. CMICaridality.ONE cannot be resolved

2. com.sap.tc.webdynpro.progmodel.context.DataNodeElement cannot be resolved

3. com.sap.tc.webdynpro.progmodel.gci.IGCIExternalController cannot be resolved

etc.

Thank you.

Any help, highly appreciate.

Regards,

Rambabu