The Select dropdown in the Map view provides a list of nodes to select, but React requires that every element of a list has a key attribute to enable its DOM tracking / reconciliation.
So add the missing key attribute to avoid this warning:
react.development.js:315 Warning: Each child in a list should have a unique "key" prop.
The
Select
dropdown in the Map view provides a list of nodes to select, but React requires that every element of a list has akey
attribute to enable its DOM tracking / reconciliation.So add the missing
key
attribute to avoid this warning: