As title says this is an issue. Uncategorized is selected by default, and clicking "Save" button throws the error:
Uncaught TypeError: Cannot read property 'id' of undefined
at saveChanges (app.16c937343d1f8f306ade.js:47)
at Proxy.n (vendor.cfbf20e8b141ef315c43.js:6)
at click (app.16c937343d1f8f306ade.js:7)
at HTMLButtonElement.t (vendor.cfbf20e8b141ef315c43.js:6)
As title says this is an issue. Uncategorized is selected by default, and clicking "Save" button throws the error: