Dear Samsung Member,
Greetings from Samsung Customer Support!
Please perform the below mentioned steps to resolve the issue:
1. Reset app preferences.
Settings > Apps > More option or on three dots at the top right corner of the screen > Reset App Preferences
2. Clear paired list
Settings > Connection and turn on Bluetooth > Setting option along with the paired device > Unpair.
For further assistance, register your concern in Samsung Members Application (Open Samsung Members Application > Get help > Send Feedback > Error report/Ask questions).
Thank you for writing to Samsung.
Samsung Customer Support