If you create a combo with a dynamic list, you get an error.
Also, if you pass the URL directly to “options” you will get the error.
https://snippet.webix.com/y8kb3zp0

If you create a combo with a dynamic list, you get an error.
Also, if you pass the URL directly to “options” you will get the error.
https://snippet.webix.com/y8kb3zp0

UPD: As far as I understand, for the custom list it is necessary to use the “dataFeed” Property.
https://snippet.webix.com/qycphair