/TypeScript/Error: Missing "key" prop for element in iterator

Error: Missing "key" prop for element in iterator

Error: Missing "key" prop for element in iterator

const peopleCard = this.state.people.map(person => (
  <Col key={person.id} sm="4">
    <PeopleCard person={person} />
  </Col>
));

1

Source: stackoverflow.com

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