Please clear all cookies, history and cookies in your browser. Close the browser and open new session of browser and after that try it.
Laos try with different browser.
Did you try for clear your browser all cookies, history and data. After that close your browser and open new session of browser.
Also try with different browser.
The documents are available in the portal and can be edited in the portal. The migrated documents are not available in the BEx Analyzer bluestacks.