When I go to create a new Plunk, I see the following error in the console. After that I cannot add any packages. `editor-1.23.1.js:2 TypeError: Failed to construct 'URL': Invalid URL` 
When I go to create a new Plunk, I see the following error in the console. After that I cannot add any packages.
editor-1.23.1.js:2 TypeError: Failed to construct 'URL': Invalid URL