City view crashes, "item with id ... already exists" about covid19india-cluster HOT 3 CLOSED

Uncaught Error: Cannot add item: item with id 7ec65df9a6f2816d565962afff630ba8dd1fba261 already exists
    at t.value (vis-network.esm.min.js:25)
    at t.value (vis-network.esm.min.js:25)
    at Graph.patchNodes (index.js:178)
    at Graph.shouldComponentUpdate (index.js:86)
    at checkShouldComponentUpdate (react-dom.development.js:12716)
    at updateClassInstance (react-dom.development.js:13233)
    at updateClassComponent (react-dom.development.js:17131)
    at beginWork (react-dom.development.js:18653)
    at HTMLUnknownElement.callCallback (react-dom.development.js:188)
    at Object.invokeGuardedCallbackDev (react-dom.development.js:237)
    at invokeGuardedCallback (react-dom.development.js:292)
    at beginWork$1 (react-dom.development.js:23234)
    at performUnitOfWork (react-dom.development.js:22185)
    at workLoopSync (react-dom.development.js:22161)
    at performSyncWorkOnRoot (react-dom.development.js:21787)
    at react-dom.development.js:11111
    at unstable_runWithPriority (scheduler.development.js:653)
    at runWithPriority$1 (react-dom.development.js:11061)
    at flushSyncCallbackQueueImpl (react-dom.development.js:11106)
    at flushSyncCallbackQueue (react-dom.development.js:11094)
    at discreteUpdates$1 (react-dom.development.js:21924)
    at discreteUpdates (react-dom.development.js:1071)
    at dispatchDiscreteEvent (react-dom.development.js:4168)