The "Draw Text" node used within the onpaint override should be static

The Draw Text node should not have a target pin to the "Widget blueprint library"

1. Open the editor
2. Create a new widget blueprint
3. In the Event graph take off context sensitive and search for "Draw Text"
4. Choose the "Draw Text" that is used in painting
5. Notice that the Draw Text node has a target pin for "Widget blueprint Library"