NPE when attempting to finish REST import

1) Import -> Web Service Source >> Source and View Model (REST) 2) New Connection profile using "Web Services Data Source (REST)" profile type 3) Name profile "Sample Posts REST" 4) Use Connection URL value "http://jsonplaceholder.typicode.com/users" 5) Response Type set to "JSON" 6) Add parameter with: a) Name set to "id" b) Type set to "URI" c) Default Value set to "1" 7) Source Model Definition "Location" field set to "projectname/sources" 8) Source Model Definition "Name" field set to "USERS_SM" 9) View Model Definition "Location" field set to "projectname/views" 10) View Model Definition "Name" field set to "ViewModel.xml" 11) View Model Definition "New View Procedure Name" set to "USERS" 12) Add response elements: id, phone, username, website, address/geo/lng, address/geo/lat, address/zipcode, address/street, address/suite, address/city, email, company/name 13) Change name of lng and lat to "geo_long" and "geo_lat", respectively 14) Change "Date Type" value for id to "integer" 15) Change "Data Type" value for geo_long and geo_lat to "double" 16) Rename company/name to "company_name" 17) Move name up to 2nd column (2nd row from top). 18) Click Finish 19) Observe "Error creating view model ViewModel.xmi" with error text "Failed to execute runnable (org.eclipse.swt.SWTException: Failed to execute runnable (java.lang.NullPointerException))"