Anyone can tell me why? How to solve it?
I have the same problem with wallet. This is one of my addresses Sd6cwpVAgfBhKPi1LjiHHDKJJqJjh39sP3
and here is ss
https://www.dropbox.com/s/9bsigtn3aq42dfq/shawallet.jpg
Did you follow the readme incuded with the update. You must remove all existing files from the appdata folder except for wallet.dat
Also make sure you add the shacoin.conf file included with the beta to you appdata folder.