To resolve the error code 905 in Google play store do the following: 

  • Go to your device settings > 
  • Tap Applications / Manage applications > 
  • Scroll over to All Applications > 
  • Scroll down to Google Play > 
  • Select uninstall updates.

 

This will uninstall the previous update and now you will be on an older version of the Play store. 

  • Exit the Settings and open the Google Play store > 
  • The Play store will automatically update > 
  • Re-install the app and hopefully, the issue will be solved.