Dropdown `value` must be an array when `multiple` is set. Received type: `[object Undefined]`

Question

I'm using Semantic-ui-react, I am getting

Dropdown value must be an array when multiple is set. Received type: `[object Undefined]

<Dropdown id={id + 'baa'}
    fluid selection
    search={true} 
    minCharacters={0} 
    multiple={false}
    loading={isDataBeingFetched} 
    disabled={!isOwnerView || isDataBeingFetched}
    options={options1}
    placeholder={'Select an Approver'}
    value={currentItem.baa_approver}
    onChange={(event, { value }) =>
    this.handleOnChange(currentIndex, value, 'baa_approver', event)}
 />

The error states that value attribute should be an array, but currently it's an undefined object. You may want to revisit currentItem.baa_approver value.. — Sid
– Sid, Commented Nov 11, 2018 at 13:54
Its in foreach (currentItem). I am checking whether its undefined or not. but still getting same Error — Ramya
– Ramya, Commented Nov 12, 2018 at 8:57
Hi @Ramya. Were you able to fix this? I'm getting the same console error when the value is an array. Seems like a bug. Updating semantic-ui-react to the latest version didn't help. — Yan Takushevich
– Yan Takushevich, Commented Feb 20, 2019 at 17:11

Dharman · Accepted Answer · 2019-07-30 14:00:57Z

4

use defaultValue={currentItem.baa_approver} instead of value={currentItem.baa_approver}

edited Jul 30, 2019 at 14:00

Dharman♦

34k27 gold badges106 silver badges157 bronze badges

answered Jul 30, 2019 at 13:55

Mahesh

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Dropdown `value` must be an array when `multiple` is set. Received type: `[object Undefined]`

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