React: Peringatan: "Menemukan dua anak dengan kunci yang sama"

Tumpukan panggilan lengkap seperti ini di bawah ini:

warning.js:45 Warning: flattenChildren(...): Menemukan dua anak dengan kunci yang sama, .$outbox81 . Kunci turunan harus unik; ketika dua anak berbagi kunci, hanya anak pertama yang akan digunakan.warning @ warning.js:45flattenSingleChildIntoContext @ flattenChildren.js:27traverseAllChildrenImpl @ traverseAllChildren.js:98traverseAllChildrenImpl @ traverseAllChildren.js:114tentraverseAllChildren :44_reconcilerUpdateChildren @ ReactMultiChild.js:212_updateChildren @ ReactMultiChild.js:351updateChildren @ ReactMultiChild.js:326_updateDOMChildren @ ReactDOMComponent.js:871updateComponent @ ReactDOMComponent.js:700receiveComponent @ ReactDOMComponent.js function backend.js:8386_updateRenderedComponent @ ReactCompositeComponent.js:562_performComponentUpdate @ ReactCompositeComponent.js:544updateComponent @ ReactCompositeComponent.js:473ReactCompositeComponent_updateComponent @ ReactPerf.js:66receiveComponent @ ReactCompositeComponent.js:405receiveousComponent aktif) @ backend.js:8386updateChildren @ ReactChildReconciler.js:84_reconcilerUpdateChildren @ ReactMultiChild.js:216_updateChildren @ ReactMultiChild.js:351updateChildren @ ReactMultiChild.js:326_updateDOMChildren @ ReactDOMreceiveComponent.js @ ReactReconciler.js:87obj.(fungsi anonim) @ backend.js:8386updateChildren @ ReactChildReconciler.js:84_reconcilerUpdateChildren @ ReactMultiChild.js:216_updateChildren @ ReactChild87 js:700receiveComponent @ ReactDOMComponent.js:645receiveComponent @ ReactReconciler.js:87obj.(fungsi anonim) @ backend.js:8386_updateRenderedComponent @ ReactCompositeComponent.js:562_performComponentUpdate @ ReactCompositeComponent.js:544updateComponent @ ReactCompositeComponent. f.js:66receiveComponent @ ReactCompositeComponent.js:405receiveComponent @ ReactReconciler.js:87obj.(fungsi anonim) @ backend.js:8386updateChildren @ ReactChildReconciler.js:84_reconcilerUpdateChildren @ ReactMultiChild.js:216_update Anak-anak. :326_updateDOMChildren @ ReactDOMComponent.js:871updateComponent @ ReactDOMComponent.js:700receiveComponent @ ReactDOMComponent.js:645receiveComponent @ ReactReconciler.js:87obj.(fungsi anonim) @ backend.js:8386updateChildren @ReactChildReconciler.js_Update_Children.js:84_Children_update ReactMultiChild.js:351updateChildren @ ReactMultiChild.js:326_updateDOMChildren @ ReactDOMComponent.js:871updateComponent @ ReactDOMComponent.js:700receiveComponent @ ReactDOMComponent.js:645receiveComponent @ ReactReconciler.js:87obj.(fungsi anonim) @ backend_actj :562_performComponentUpdate @ ReactCompos iteComponent.js:544updateComponent @ ReactCompositeComponent.js:473ReactCompositeComponent_updateComponent @ ReactPerf.js:66receiveComponent @ ReactCompositeComponent.js:405receiveComponent @ ReactReconciler.js:87obj.(fungsi anonim) @ backend.js:8386updateChildren @ ReactReconcildren :216_updateChildren @ ReactMultiChild.js:351updateChildren @ ReactMultiChild.js:326_updateDOMChildren @ ReactDOMComponent.js:871updateComponent @ ReactDOMComponent.js:700receiveComponent @ ReactDOMComponent.js:645receiveComponent @ ReactReconciler.js:87objren. ReactChildReconciler.js:84_reconcilerUpdateChildren @ ReactMultiChild.js:216_updateChildren @ ReactMultiChild.js:351updateChildren @ ReactMultiChild.js:326_updateDOMChildren @ ReactDOMComponent.js:871updateComponent @ ReactDOMReceiveComponent.js:. fungsi tion) @ backend.js:8386_updateRenderedComponent @ ReactCompositeComponent.js:562_performComponentUpdate @ ReactCompositeComponent.js:544updateComponent @ ReactCompositeComponent.js:473ReactCompositeComponent_updateComponent @ ReactPerf.js:66receiveComponent @ ReactCompositeComponent.js:405RecononymousComponent.js backend.js:8386_updateRenderedComponent @ ReactCompositeComponent.js:562_performComponentUpdate @ ReactCompositeComponent.js:544updateComponent @ ReactCompositeComponent.js:473ReactCompositeComponent_updateComponent @ ReactPerf.js:66receiveComponent @ ReactCompositeComponent.js:405receiver :8386updateChildren @ ReactChildReconciler.js:84_reconcilerUpdateChildren @ ReactMultiChild.js:216_updateChildren @ ReactMultiChild.js:351updateChildren @ ReactMultiChild.js:326_updateDOMChildren @ ReactDOMComponent.js:700DOMReceiveupdateComponent @ ReactDOMComponent.js:700DOMComponent.js eactDOMComponent.js:645receiveComponent @ ReactReconciler.js:87obj.(fungsi anonim) @ backend.js:8386_updateRenderedComponent @ ReactCompositeComponent.js:562_performComponentUpdate @ ReactCompositeComponent.js:544updateComponent @ ReactCompositeComponent @ ReactCompositeComponent.js:473ReactComponent :405receiveComponent @ ReactReconciler.js:87obj.(fungsi anonim) @ backend.js:8386_updateRenderedComponent @ ReactCompositeComponent.js:562_performComponentUpdate @ ReactCompositeComponent.js:544updateComponent @ ReactCompositeComponent.js:473ReactCompositeUpdateCompositeNecess_updateComponent @JsCompositeNecessperform_updateComponent @ReactNecessPerfformComponent ReactReconciler.js:102obj.(fungsi anonim) @ backend.js:8386runBatchedUpdates @ ReactUpdates.js:129perform @ Transaction.js:136perform @ Transaction.js:136perform @ ReactUpdates.js:86flushBatchedUpdates @ ReactUpdates.js:147ReactUpdates.js shBatchedUpdates @ ReactPerf.js:66closeAll @ Transaction.js:202perform @ Transaction.js:149batchedUpdates @ ReactDefaultBatchingStrategy.js:62enqueueUpdate @ ReactUpdates.js:176enqueueUpdate @ ReactUpdateQueue.js:24enqueueUpdateState @ React.jssetState @ React.jssetState 65handleChange @ connect.js:301dispatch @ createStore.js:186(fungsi anonim) @ api.js:91(fungsi anonim) @ index.js:15(fungsi anonim) @ middleware.js:22(fungsi anonim) @ bindActionCreators. js:7hide @ index.js:743handleDocumentClick @ index.js:519
warning.js:45 Warning: flattenChildren(...): Menemukan dua anak dengan kunci yang sama, .$outbox80 . Kunci turunan harus unik; ketika dua anak berbagi kunci, hanya anak pertama yang akan digunakan.warning @ warning.js:45flattenSingleChildIntoContext @ flattenChildren.js:27traverseAllChildrenImpl @ traverseAllChildren.js:98traverseAllChildrenImpl @ traverseAllChildren.js:114tentraverseAllChildren :44_reconcilerUpdateChildren @ ReactMultiChild.js:212_updateChildren @ ReactMultiChild.js:351updateChildren @ ReactMultiChild.js:326_updateDOMChildren @ ReactDOMComponent.js:871updateComponent @ ReactDOMComponent.js:700receiveComponent @ ReactDOMComponent.js function backend.js:8386_updateRenderedComponent @ ReactCompositeComponent.js:562_performComponentUpdate @ ReactCompositeComponent.js:544updateComponent @ ReactCompositeComponent.js:473ReactCompositeComponent_updateComponent @ ReactPerf.js:66receiveComponent @ ReactCompositeComponent.js:405receiveousComponent aktif) @ backend.js:8386updateChildren @ ReactChildReconciler.js:84_reconcilerUpdateChildren @ ReactMultiChild.js:216_updateChildren @ ReactMultiChild.js:351updateChildren @ ReactMultiChild.js:326_updateDOMChildren @ ReactDOMreceiveComponent.js @ ReactReconciler.js:87obj.(fungsi anonim) @ backend.js:8386updateChildren @ ReactChildReconciler.js:84_reconcilerUpdateChildren @ ReactMultiChild.js:216_updateChildren @ ReactChild87 js:700receiveComponent @ ReactDOMComponent.js:645receiveComponent @ ReactReconciler.js:87obj.(fungsi anonim) @ backend.js:8386_updateRenderedComponent @ ReactCompositeComponent.js:562_performComponentUpdate @ ReactCompositeComponent.js:544updateComponent @ ReactCompositeComponent. f.js:66receiveComponent @ ReactCompositeComponent.js:405receiveComponent @ ReactReconciler.js:87obj.(fungsi anonim) @ backend.js:8386updateChildren @ ReactChildReconciler.js:84_reconcilerUpdateChildren @ ReactMultiChild.js:216_update Anak-anak. :326_updateDOMChildren @ ReactDOMComponent.js:871updateComponent @ ReactDOMComponent.js:700receiveComponent @ ReactDOMComponent.js:645receiveComponent @ ReactReconciler.js:87obj.(fungsi anonim) @ backend.js:8386updateChildren @ ReactChildReconciler.js:842Children_update ReactMultiChild.js:351updateChildren @ ReactMultiChild.js:326_updateDOMChildren @ ReactDOMComponent.js:871updateComponent @ ReactDOMComponent.js:700receiveComponent @ ReactDOMComponent.js:645receiveComponent @ ReactReconciler.js:87obj.(fungsi anonim) @ backend_actj :562_performComponentUpdate @ ReactCompos iteComponent.js:544updateComponent @ ReactCompositeComponent.js:473ReactCompositeComponent_updateComponent @ ReactPerf.js:66receiveComponent @ ReactCompositeComponent.js:405receiveComponent @ ReactReconciler.js:87obj.(fungsi anonim) @ backend.js:8386updateChildren @ ReactReconcildren :216_updateChildren @ ReactMultiChild.js:351updateChildren @ ReactMultiChild.js:326_updateDOMChildren @ ReactDOMComponent.js:871updateComponent @ ReactDOMComponent.js:700receiveComponent @ ReactDOMComponent.js:645receiveComponent @ ReactReconciler.js:87objren. ReactChildReconciler.js:84_reconcilerUpdateChildren @ ReactMultiChild.js:216_updateChildren @ ReactMultiChild.js:351updateChildren @ ReactMultiChild.js:326_updateDOMChildren @ ReactDOMComponent.js:871updateComponent @ ReactDOMReceiveComponent.js:. fungsi tion) @ backend.js:8386_updateRenderedComponent @ ReactCompositeComponent.js:562_performComponentUpdate @ ReactCompositeComponent.js:544updateComponent @ ReactCompositeComponent.js:473ReactCompositeComponent_updateComponent @ ReactPerf.js:66receiveComponent @ ReactCompositeComponent.js:405RecononymousComponent.js backend.js:8386_updateRenderedComponent @ ReactCompositeComponent.js:562_performComponentUpdate @ ReactCompositeComponent.js:544updateComponent @ ReactCompositeComponent.js:473ReactCompositeComponent_updateComponent @ ReactPerf.js:66receiveComponent @ ReactCompositeComponent.js:405receiver :8386updateChildren @ ReactChildReconciler.js:84_reconcilerUpdateChildren @ ReactMultiChild.js:216_updateChildren @ ReactMultiChild.js:351updateChildren @ ReactMultiChild.js:326_updateDOMChildren @ ReactDOMComponent.js:700DOMReceiveupdateComponent @ ReactDOMComponent.js:700DOMComponent.js eactDOMComponent.js:645receiveComponent @ ReactReconciler.js:87obj.(fungsi anonim) @ backend.js:8386_updateRenderedComponent @ ReactCompositeComponent.js:562_performComponentUpdate @ ReactCompositeComponent.js:544updateComponent @ ReactCompositeComponent @ ReactCompositeComponent.js:473ReactComponent :405receiveComponent @ ReactReconciler.js:87obj.(fungsi anonim) @ backend.js:8386_updateRenderedComponent @ ReactCompositeComponent.js:562_performComponentUpdate @ ReactCompositeComponent.js:544updateComponent @ ReactCompositeComponent.js:473ReactUpdateCompositeNecessPerfformComponent @IfCompositeNecessPerfform_updateComponent @ReactNecessPerfformComponent ReactReconciler.js:102obj.(fungsi anonim) @ backend.js:8386runBatchedUpdates @ ReactUpdates.js:129perform @ Transaction.js:136perform @ Transaction.js:136perform @ ReactUpdates.js:86flushBatchedUpdates @ ReactUpdates.js:147ReactUpdates.js shBatchedUpdates @ ReactPerf.js:66closeAll @ Transaction.js:202perform @ Transaction.js:149batchedUpdates @ ReactDefaultBatchingStrategy.js:62enqueueUpdate @ ReactUpdates.js:176enqueueUpdate @ ReactUpdateQueue.js:24enqueueUpdateState @ React.jssetState@ReactueUpdateState 65handleChange @ connect.js:301dispatch @ createStore.js:186(fungsi anonim) @ api.js:91(fungsi anonim) @ index.js:15(fungsi anonim) @ middleware.js:22(fungsi anonim) @ bindActionCreators. js:7hide @ index.js:743handleDocumentClick @ index.js:519

Maaf, Ini kesalahan saya.

dapatkah Anda memberi tahu saya apa masalah sebenarnya, saya memiliki peringatan yang sama ketika saya memanggil daftar datar metode onReachEnd