SRM Open Public RFx Response

Hi Team

Kindly we use SRM 7 Extend Classic Scenario and follow the follow scenario

1- Create SC and Approve it

2- Convert SC to Public RFx document and approve it

3- Supplier create RFx response

4- simulation log on is complete and each permission submit it

now system should be ready to open supplier response to check best price but when I try to open any supplier response I got the following error