Cannot change an already placed Named View with another Named View in Solid Edge 2019 Draft.
Solution
Remove Unigraphics Solutions from HKEY_CURRENT_USER/Software in the registry editor. This is a left over entry from a previous version of Solid Edge.
Notes and References
Hardware/Software Configuration
Platform: INTL64
OS: window
OS Version: 1064
Product: SOLID_EDGE
Application: DRAFT
Version: V219MP4
Function: DRAWING_VIEWS
Ref: 001-9351529