Error while opening ESR and ID in SAP PI 7.3.1

Hello Experts,

I am working on single stack SAP PI 7.3.1 while i am opening the ESR and ID it is showing the following errors.

these two are the pop up boxes appears when i am trying to open the Enterprise service repository and Integration directory of the integration builder but remaining SLD,Service registry,UI,Netwaver administration are opening.

And i am also not be able to connect to the server using Putty. Please help me in solving the problem.

Regards,

Avinash.