Category-selector.js:73 - Uncaught TypeError: this.attrs.onChange is not a function

Seems there’s a similar post here.

It’s breaking here.

category-selector.js

actions: {
onChange(values) {
this.attrs.onChange(values.map(v => Category.findById(v)).filter(Boolean));
return false;
}
}

I’ve managed to replicate this with a new clean build of the digital ocean discourse droplet. So no plugins and just after the initial setup, so this is not plugin related but a core Discourse issue.

rsvp.js:23 Uncaught TypeError: this.attrs.onChange is not a function
    at e.onChange (category-selector.js:73:18)
    at e._boundaryActionHandler (select-kit.js:415:42)
    at select-kit.js:330:12
    at rsvp.js:459:1
    at new R (rsvp.js:915:1)
    at e._onChangeWrapper (select-kit.js:312:12)
    at $._join (index.ts:646:21)
    at $.join (index.ts:362:17)
    at p (index.js:156:1)
    at s.change (index.js:257:1)
    at e.select (multi-select.js:74:22)
    at e.select (category-selector.js:68:12)
    at e.r [as select] (index.js:383:1)
    at $._run (index.ts:665:23)
    at $._join (index.ts:640:19)
    at $.join (index.ts:362:17)
    at p (index.js:156:1)
    at s.select (index.js:257:1)
    at e.click (select-kit-row.js:91:20)
    at e.trigger (core_view.js:63:1)
    at e.r [as trigger] (index.js:383:1)
    at e.trigger (ember-events.js:138:30)
    at e.r [as trigger] (index.js:383:1)
    at HTMLLIElement.o (ember-events.js:203:39)
onChange @ category-selector.js:73
_boundaryActionHandler @ select-kit.js:415
(anonymous) @ select-kit.js:330
(anonymous) @ rsvp.js:459
R @ rsvp.js:915
_onChangeWrapper @ select-kit.js:312
$._join @ index.ts:646
$.join @ index.ts:362
p @ index.js:156
(anonymous) @ index.js:257
select @ multi-select.js:74
select @ category-selector.js:68
r @ index.js:383
$._run @ index.ts:665
$._join @ index.ts:640
$.join @ index.ts:362
p @ index.js:156
(anonymous) @ index.js:257
click @ select-kit-row.js:91
trigger @ core_view.js:63
r @ index.js:383
trigger @ ember-events.js:138
r @ index.js:383
o @ ember-events.js:203