We acknowledge your query and apologize for the same. Please perform the below mentioned steps to resolve the issue:
* Reset app preferences. Settings > Apps > More option or on three dots at the top right corner of the screen > Reset App Preferences.
* Reset Network Settings: Go to apps screen >Settings >General Management >Reset >Reset Network Setting.
For further assistance, register your concern in Samsung Members Application (Open Samsung Members Application>Support>Type your query>Ask a question/Tap an error report>Send)
