React: Avertissement : "A rencontré deux enfants avec la même clé"

La pile d'appels complète d'un comme celui-ci ci-dessous :

warning.js:45 Avertissement : flattenChildren(...) : rencontre deux enfants avec la même clé, .$outbox81 . Les clés enfants doivent être uniques ; lorsque deux enfants partagent une clé, seul le premier enfant sera utilisé.warning @ warning.js:45flattenSingleChildIntoContext @ flattenChildren.js:27traverseAllChildrenImpl @ traverseAllChildren.js:98traverseAllChildrenImpl @ traverseAllChildren.js:114traverseAllChildren @ traverseAllChildren.jlds :44_reconcilerUpdateChildren @ ReactMultiChild.js:212_updateChildren @ ReactMultiChild.js:351updateChildren @ ReactMultiChild.js:326_updateDOMChildren @ ReactDOMComponent.js:871updateComponent @ ReactDOM6Component.js:700receiverejacteur @ ReactDOM. backend.js:8386_updateRenderedComponent @ ReactCompositeComponent.js:562_performComponentUpdate @ ReactCompositeComponent.js:544updateComponent @ ReactCompositeComponent.js:473ReactCompositeComponent_updateComponent @ ReactPerf.js:66receiveComponent @ ReactCompositeReComponent.js:ob on) @ backend.js:8386updateChildren @ ReactChildReconciler.js:84_reconcilerUpdateChildren @ ReactMultiChild.js:216_updateChildren @ ReactMultiChild.js:351updateChildren @ ReactMultiChild.js:326_updateDOM1actreComponent. @ ReactReconciler.js:87obj.(fonction anonyme) @ backend.js:8386updateChildren @ ReactChildReconciler.js:84_reconcilerUpdateChildren @ ReactMultiChild.js:216_updateChildren @ ReactMultiChild.js:351updateChildren. @ React26updateChildren. js:700receiveComponent @ ReactDOMComponent.js:645receiveComponent @ ReactReconciler.js:87obj.(fonction anonyme) @ backend.js:8386_updateRenderedComponent @ ReactCompositeComponent.js:562_performComponentUpdate @ ReactCompositeComponent.js:544updateComponent @ ReposiactCompositeComponent.js:544updateComponent.js:562_performComponentUpdate @ ReactCompositeComponent.js:544updateComponent. f.js:66receiveComponent @ ReactCompositeComponent.js:405receiveComponent @ ReactReconciler.js:87obj.(fonction anonyme) @ backend.js:8386updateChildren @ ReactChildReconciler.js:84_reconcilerUpdateChildren @ ReactMultidateChildren.js:216 :326_updateDOMChildren @ ReactDOMComponent.js:871updateComponent @ ReactDOMComponent.js:700receiveComponent @ ReactDOMComponent.js:645receiveComponent @ ReactReconciler.js:87obj.(fonction anonyme) @ backend.js:8386updateChildren @ ReactChildReconcilder_Children @ReactChildReconciler_216ldup ReactMultiChild.js:351updateChildren @ ReactMultiChild.js:326_updateDOMChildren @ ReactDOMComponent.js:871updateComponent @ ReactDOMComponent.js:700receiveComponent @ ReactDOMComponent.js:645receiveComponent @ ReactReconciler.js:87objer function)(anonymous_ComupjR) :562_performComponentUpdate @ ReactCompos iteComponent.js:544updateComponent @ ReactCompositeComponent.js:473ReactCompositeComponent_updateComponent @ ReactPerf.js:66receiveComponent @ ReactCompositeComponent.js:405receiveComponent @ ReactReconciler.js:87obj.(fonction anonyme) @ backend.jsren:8386updateChildReconcilder :216_updateChildren @ ReactMultiChild.js:351updateChildren @ ReactMultiChild.js:326_updateDOMChildren @ ReactDOMComponent.js:871updateComponent @ ReactDOMComponent.js:700receiveComponent @ ReactDOMComponent.js:645receiveComponent @ ReactReconciler.jldren function @ React86endobjld.js83 ReactChildReconciler.js:84_reconcilerUpdateChildren @ ReactMultiChild.js:216_updateChildren @ ReactMultiChild.js:351updateChildren @ ReactMultiChild.js:326_updateDOMChildren @ ReactDOMComponent.js:871actComponent.js:871actupdateComponent @ ReactDOMcejonyme fonction tion) @ backend.js:8386_updateRenderedComponent @ ReactCompositeComponent.js:562_performComponentUpdate @ ReactCompositeComponent.js:544updateComponent @ ReactCompositeComponent.js:473ReactCompositeComponent_updateComponent @ ReactPerf.js:66receiveComponent @ ReconcCompositeComponent. backend.js:8386_updateRenderedComponent @ ReactCompositeComponent.js:562_performComponentUpdate @ ReactCompositeComponent.js:544updateComponent @ ReactCompositeComponent.js:473ReactCompositeComponent_updateComponent @ ReactPerf.js:66receiveComponent @ ReactCompositeComponent.jsjs : fonction backend. :8386updateChildren @ ReactChildReconciler.js:84_reconcilerUpdateChildren @ ReactMultiChild.js:216_updateChildren @ ReactMultiChild.js:351updateChildren @ ReactMultiChild.js:326_updateDOMChildren @ ReactDOMComponent.js @ ReactDOMComponent.js:871updateChildren @ ReactMultiChild.js:326_updateDOMChildren @ ReactDOMComponent.js:871updateComponent.js:871updateChildren eactDOMComponent.js:645receiveComponent @ ReactReconciler.js:87obj.(fonction anonyme) @ backend.js:8386_updateRenderedComponent @ ReactCompositeComponent.js:562_performComponentUpdate @ ReactCompositeComponent.js:544updateComponent @ ReactComposite3Component.jposejsComponent @ ReactComposite3Component.jpositejs:562_performComponentUpdate @ ReactCompositeComponent.js:544updateComponent @ ReactComposite3Component.jposit :405receiveComponent @ ReactReconciler.js:87obj.(fonction anonyme) @ backend.js:8386_updateRenderedComponent @ ReactCompositeComponent.js:562_performComponentUpdate @ ReactCompositeComponent.js:544updateComponent @ ReactCompositeComponent66.js:473ReactCompositeComponent. ReactReconciler.js:102obj.(fonction anonyme) @ backend.js:8386runBatchedUpdates @ ReactUpdates.js:129perform @ Transaction.js:136perform @ Transaction.js:136perform @ ReactUpdates.js:86flushBatchedUpdates @ ReactUpdates.js:147ReactUpdates:147ReactUpdates shBatchedUpdates @ ReactPerf.js:66closeAll @ Transaction.js:202perform @ Transaction.js:149batchedUpdates @ ReactDefaultBatchingStrategy.js:62enqueueUpdate @ ReactUpdates.js:176enqueueUpdate @ ReactUpdateComponentQueue.js:24enqueueSetState @ ReactQueueSetState @ ReactQueue.js:176enqueueUpdate @ ReactUpdateComponent.js:24enqueueSetState @ ReactQueue. 65handleChange @ connect.js:301dispatch @ createStore.js:186(fonction anonyme) @ api.js:91(fonction anonyme) @ index.js:15(fonction anonyme) @ middleware.js:22(fonction anonyme) @ bindActionCreators. js:7hide @ index.js:743handleDocumentClick @ index.js:519
warning.js:45 Avertissement : flattenChildren(...) : rencontre deux enfants avec la même clé, .$outbox80 . Les clés enfants doivent être uniques ; lorsque deux enfants partagent une clé, seul le premier enfant sera utilisé.warning @ warning.js:45flattenSingleChildIntoContext @ flattenChildren.js:27traverseAllChildrenImpl @ traverseAllChildren.js:98traverseAllChildrenImpl @ traverseAllChildren.js:114traverseAllChildren @ traverseAllChildren.jlds :44_reconcilerUpdateChildren @ ReactMultiChild.js:212_updateChildren @ ReactMultiChild.js:351updateChildren @ ReactMultiChild.js:326_updateDOMChildren @ ReactDOMComponent.js:871updateComponent @ ReactDOM6Component.js:700receiverejacteur @ ReactDOM. backend.js:8386_updateRenderedComponent @ ReactCompositeComponent.js:562_performComponentUpdate @ ReactCompositeComponent.js:544updateComponent @ ReactCompositeComponent.js:473ReactCompositeComponent_updateComponent @ ReactPerf.js:66receiveComponent @ ReactCompositereComponent.js:ob on) @ backend.js:8386updateChildren @ ReactChildReconciler.js:84_reconcilerUpdateChildren @ ReactMultiChild.js:216_updateChildren @ ReactMultiChild.js:351updateChildren @ ReactMultiChild.js:326_updateDOM1actreComponent. @ ReactReconciler.js:87obj.(fonction anonyme) @ backend.js:8386updateChildren @ ReactChildReconciler.js:84_reconcilerUpdateChildren @ ReactMultiChild.js:216_updateChildren @ ReactMultiChild.js:351updateChildren. @ React26updateChildren. js:700receiveComponent @ ReactDOMComponent.js:645receiveComponent @ ReactReconciler.js:87obj.(fonction anonyme) @ backend.js:8386_updateRenderedComponent @ ReactCompositeComponent.js:562_performComponentUpdate @ ReactCompositeComponent.js:544updateComponent. f.js:66receiveComponent @ ReactCompositeComponent.js:405receiveComponent @ ReactReconciler.js:87obj.(fonction anonyme) @ backend.js:8386updateChildren @ ReactChildReconciler.js:84_reconcilerUpdateChildren @ ReactMultidateChildren.js:216 :326_updateDOMChildren @ ReactDOMComponent.js:871updateComponent @ ReactDOMComponent.js:700receiveComponent @ ReactDOMComponent.js:645receiveComponent @ ReactReconciler.js:87obj.(fonction anonyme) @ backend.js:8386updateChildren @ ReactChildReconcilder_Children @ReactChildReconciler_216dup ReactMultiChild.js:351updateChildren @ ReactMultiChild.js:326_updateDOMChildren @ ReactDOMComponent.js:871updateComponent @ ReactDOMComponent.js:700receiveComponent @ ReactDOMComponent.js:645receiveComponent @ ReactReconciler.js:87objer la fonction)(anonymous_ComupjR) :562_performComponentUpdate @ ReactCompos iteComponent.js:544updateComponent @ ReactCompositeComponent.js:473ReactCompositeComponent_updateComponent @ ReactPerf.js:66receiveComponent @ ReactCompositeComponent.js:405receiveComponent @ ReactReconciler.js:87obj.(fonction anonyme) @ backend.js:8386updateChildReconcilder :216_updateChildren @ ReactMultiChild.js:351updateChildren @ ReactMultiChild.js:326_updateDOMChildren @ ReactDOMComponent.js:871updateComponent @ ReactDOMComponent.js:700receiveComponent @ ReactDOMComponent.js:645receiveComponent @ ReactReconciler.jldren fonction @ React86endobjld.js(83) ReactChildReconciler.js:84_reconcilerUpdateChildren @ ReactMultiChild.js:216_updateChildren @ ReactMultiChild.js:351updateChildren @ ReactMultiChild.js:326_updateDOMChildren @ ReactDOMComponent.js:871actComponent.js:871actupdateComponent @ ReactDOMcejonyme fonction tion) @ backend.js:8386_updateRenderedComponent @ ReactCompositeComponent.js:562_performComponentUpdate @ ReactCompositeComponent.js:544updateComponent @ ReactCompositeComponent.js:473ReactCompositeComponent_updateComponent @ ReactPerf.js:66receiveComponent @ ReconcCompositeComponent. backend.js:8386_updateRenderedComponent @ ReactCompositeComponent.js:562_performComponentUpdate @ ReactCompositeComponent.js:544updateComponent @ ReactCompositeComponent.js:473ReactCompositeComponent_updateComponent @ ReactPerf.js:66receiveComponent @ ReactCompositeComponent.jsjs : fonction backend. :8386updateChildren @ ReactChildReconciler.js:84_reconcilerUpdateChildren @ ReactMultiChild.js:216_updateChildren @ ReactMultiChild.js:351updateChildren @ ReactMultiChild.js:326_updateDOMChildren @ ReactDOMComponent.js @ ReactDOMComponent.js:871updateChildren @ ReactMultiChild.js:326_updateDOMChildren @ ReactDOMComponent.js:871updateComponent.js:871updateChildren eactDOMComponent.js:645receiveComponent @ ReactReconciler.js:87obj.(fonction anonyme) @ backend.js:8386_updateRenderedComponent @ ReactCompositeComponent.js:562_performComponentUpdate @ ReactCompositeComponent.js:544updateComponent @ ReactComposite3Component.jposejsComponent @ ReactComposite3Component.jpositejs:562_performComponentUpdate @ ReactCompositeComponent.js:544updateComponent @ ReactComposite3Component.jposit :405receiveComponent @ ReactReconciler.js:87obj.(fonction anonyme) @ backend.js:8386_updateRenderedComponent @ ReactCompositeComponent.js:562_performComponentUpdate @ ReactCompositeComponent.js:544updateComponent @ ReactCompositeComponent66.js:473ReactCompositeComponent. ReactReconciler.js:102obj.(fonction anonyme) @ backend.js:8386runBatchedUpdates @ ReactUpdates.js:129perform @ Transaction.js:136perform @ Transaction.js:136perform @ ReactUpdates.js:86flushBatchedUpdates @ ReactUpdates.js:147ReactUpdates:147ReactUpdates shBatchedUpdates @ ReactPerf.js:66closeAll @ Transaction.js:202perform @ Transaction.js:149batchedUpdates @ ReactDefaultBatchingStrategy.js:62enqueueUpdate @ ReactUpdates.js:176enqueueUpdate @ ReactUpdateComponentQueue.js:24enqueueSetState @ ReactQueueSetState @ ReactQueue.js:176enqueueUpdate @ ReactUpdateComponent.js:24enqueueSetState @ ReactQueue. 65handleChange @ connect.js:301dispatch @ createStore.js:186(fonction anonyme) @ api.js:91(fonction anonyme) @ index.js:15(fonction anonyme) @ middleware.js:22(fonction anonyme) @ bindActionCreators. js:7hide @ index.js:743handleDocumentClick @ index.js:519

Désolé, c'est mon erreur.

pouvez-vous s'il vous plaît me dire quel était le problème réel, j'ai les mêmes avertissements lorsque j'appelle la méthode flatlist onReachEnd