You will want to go to the Family Groupings pane, scroll to the bottom of the list and ungroup all of those "Unnamed families."
After doing this select "Rebuild Database" from the File menu at the top of the MSP window.
You will want to go to the Family Groupings pane, scroll to the bottom of the list and ungroup all of those "Unnamed families."
After doing this select "Rebuild Database" from the File menu at the top of the MSP window.