```snabbdom.ts?a25f:20 Uncaught TypeError: Cannot ...

# kvision

[Lars Erik Rojeras]

snabbdom.ts?a25f:20 Uncaught TypeError: Cannot read property 'sel' of null
    at isVnode (snabbdom.ts?a25f:20)
    at KVManager.patch [as sdPatch_0] (snabbdom.ts?a25f:294)
    at KVManager.patch_cdbjll$ (kvision.js?aa8d:621)
    at Root_init (kvision.js?aa8d:15296)
    at root (kvision.js?aa8d:15319)
    at App.start (App.kt?7bf8:50)
    at Application.start_x7u0o8$ (kvision.js?aa8d:533)
    at eval (kvision.js?aa8d:547)
    at HTMLDocument.eval (kvision.js?aa8d:562)