Console Error

[turtlepod]

I got this warning in console:

Warning: Each child in an array or iterator should have a unique "key" prop. See https://fb.me/react-warning-keys for more information.
    in edit (created by r)
    in r (created by Align(r))
    in Align(r) (created by Anchor(Align(r)))
    in Anchor(Align(r)) (created by CustomClassName(Anchor(Align(r))))
    in CustomClassName(Anchor(Align(r))) (created by UseOnceValidation(CustomClassName(Anchor(Align(r)))))
    in UseOnceValidation(CustomClassName(Anchor(Align(r)))) (created by Dispatch(UseOnceValidation(CustomClassName(Anchor(Align(r))))))
    in Dispatch(UseOnceValidation(CustomClassName(Anchor(Align(r))))) (created by Select(Dispatch(UseOnceValidation(CustomClassName(Anchor(Align(r)))))))
    in Select(Dispatch(UseOnceValidation(CustomClassName(Anchor(Align(r)))))) (created by Filters(r))
    in Filters(r) (created by e)
    in e (created by e)
    in div (created by e)
    in e (created by e)
    in div (created by e)
    in e (created by e)
    in e (created by ApiData(e))
    in ApiData(e) (created by Align(ApiData(e)))
    in Align(ApiData(e)) (created by Filters(ApiData(e)))
    in Filters(ApiData(e)) (created by i)
    in i (created by Connect(i))
    in Connect(i) (created by e)
    in div (created by e)
    in e (created by Connect(e))
    in Connect(e) (created by Connect(Connect(e)))
    in Connect(Connect(e)) (created by _)
    in _ (created by t)
    in div (created by e)
    in e (created by n)
    in n (created by Dispatch(n))
    in Dispatch(n) (created by Select(Dispatch(n)))
    in Select(Dispatch(n)) (created by t)
    in div (created by e)
    in div (created by e)
    in e (created by Connect(e))
    in Connect(e) (created by t)
    in div (created by e)
    in e (created by Dispatch(e))
    in Dispatch(e) (created by t)
    in t (created by WithViewportMatch(t))
    in WithViewportMatch(t) (created by Select(WithViewportMatch(t)))
    in Select(WithViewportMatch(t)) (created by t)
    in div (created by t)
    in div (created by t)
    in t (created by n)
    in div (created by n)
    in n (created by Dispatch(n))
    in Dispatch(n) (created by Select(Dispatch(n)))
    in Select(Dispatch(n))
    in n
    in e
    in n (created by e)
    in t (created by e)
    in t (created by e)
    in t (created by e)
    in t (created by e)
    in e

[dkotter]

Hmm.. not currently getting any console errors. Do you happen to know the steps you took to get this error, so I can try and reproduce?

[turtlepod]

I found it, it's because I have SCRIPT_DEBUG enabled in my wp-config.php.

define( 'SCRIPT_DEBUG', true );

Note sure why,