Angular 9 upgrade : can not install module with my API key

After updating Daypilot into angular 9 version, working with following version in trail mode:

• https://npm.daypilot.org/daypilot-pro-angular/trial/2020.2.4516.tar.gz

instlling this with https://npm.daypilot.org/daypilot-pro-angular/MY API KEY/2020.2.4516.tar.gz
which i was using previously with https://npm.daypilot.org/daypilot-pro-angular/mykey/2018.3.3391.tar.gz.
Error :

• npm ERR! 404 Not Found - GET https://npm.daypilot.org/daypilot-pro-angular/my-api-key/2020.2.4516.tar.gz