Opens on your Samsung Galaxy S6 from the Home Screen from the menu and then the Settings.
Navigate now to Applications -> Application Manager -> tab "Installed Apps"
Addiction here now for the Facebook app. Typed on the entry to open the app information. In this you will find several buttons:
Tapped Out now in the following order of the buttons: (Then the login information must be re-entered)
Force stop
Clear the cache
Clear data
Now launches the new Samsung Galaxy S6 and then carry your login information for Facebook back into the app. Finished!
The Facebook app on your Samsung Galaxy S6 should now make no more problems during the operation.