[Vuejs]-[Vue warn]: Error in render: "TypeError: Unable to get property 'Id' of undefined or null reference

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0👍

✅

Arrow functions are not supported in IE11 (or any IE for that matter).

caniuse.com/#search=arrow%20functions –

You’ll need to use a compiler like Babel, or avoid arrow functions.

var id = lijst.filter(function (i) {
  return i.Descriptions[0].Description == item;
});

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Probably this error is in template. (Do your windings have Id)?

Change key to $index in option’s v-for

<option v-for="(winding, $index) in windings"
    v-bind:key="$index">
{{winding.Descriptions[0].Description}}</option>

PS: Not sure why you are not seeing this error in other browsers..

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