knockout.js - Uncaught TypeError: Cannot read property 'apply' of undefined at Function.ko.observableArray.fn.(anonymous function) [as push] -


i have integrated custom multi select attribute field same category field in product add , edit page.

but have noticed below error knockout js.

exception/error:

uncaught typeerror: cannot read property 'apply' of undefined @ function.ko.observablearray.fn.(anonymous function) [as push]

a fix issue appreciated.


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