I receive the error upon loading after I've saved, closed, and reloaded, or whenever I click my mouse, or try to use a command.
ERROR:
NoMethodError
undefined method `active_interface' for nil:NilClass
BACKTRACE:
C:/PROGRA~1/Google/GOOGLE~2/Plugins/OpenStudio/lib/ModelManager.rb:418:in `selection_changed'
C:/PROGRA~1/Google/GOOGLE~2/Plugins/OpenStudio/lib/observers/SelectionObserver.rb:20:in `onSelectionBulkChange'
C:/PROGRA~1/Google/GOOGLE~2/Plugins/OpenStudio/lib/ModelManager.rb:418
Green hidden building is my tracing model
Need to look into all these nil? bugs