We are getting this error on one of our brokers,

{
  "id": "10008ad94fa0022__brokerResource",
  "simpleFields": {},
  "mapFields": {
    "HELIX_ERROR     20220718-101026.000050 STATE_TRANSITION 0dc81776-5d32-452b-8c82-ae66fd33a5e6": {
      "AdditionalInfo": "Exception while executing a state transition task span_event_view_REALTIMEjava.lang.reflect.InvocationTargetException\n\tat java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)\n\tat java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)\n\tat java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)\n\tat java.base/java.lang.reflect.Method.invoke(Method.java:566)\n\tat org.apache.helix.messaging.handling.HelixStateTransitionHandler.invoke(HelixStateTransitionHandler.java:404)\n\tat org.apache.helix.messaging.handling.HelixStateTransitionHandler.handleMessage(HelixStateTransitionHandler.java:331)\n\tat org.apache.helix.messaging.handling.HelixTask.call(HelixTask.java:97)\n\tat org.apache.helix.messaging.handling.HelixTask.call(HelixTask.java:49)\n\tat java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)\n\tat java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)\n\tat java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)\n\tat java.base/java.lang.Thread.run(Thread.java:829)\nCaused by: java.lang.IllegalStateException: Failed to find table config for table: span_event_view_REALTIME\n\tat shaded.com.google.common.base.Preconditions.checkState(Preconditions.java:518)\n\tat org.apache.pinot.broker.routing.RoutingManager.buildRouting(RoutingManager.java:304)\n\tat org.apache.pinot.broker.broker.helix.BrokerResourceOnlineOfflineStateModelFactory$BrokerResourceOnlineOfflineStateModel.onBecomeOnlineFromOffline(BrokerResourceOnlineOfflineStateModelFactory.java:80)\n\t... 12 more\n",
      "Class": "class org.apache.helix.messaging.handling.HelixStateTransitionHandler",
      "MSG_ID": "dfc7f986-0406-49fc-b6f4-5101630efb17",
      "Message state": "READ"
    },
    "HELIX_ERROR     20220718-101026.000081 STATE_TRANSITION e65c8151-76d4-4267-83ad-48dabdd66eae": {
      "AdditionalInfo": "Message execution failed. msgId: dfc7f986-0406-49fc-b6f4-5101630efb17, errorMsg: java.lang.reflect.InvocationTargetException",
      "Class": "class org.apache.helix.messaging.handling.HelixStateTransitionHandler",
      "MSG_ID": "dfc7f986-0406-49fc-b6f4-5101630efb17",
      "Message state": "READ"
    }
  },
  "listFields": {}
}

Quick fix: We have restarted our brokers. but still not clear what went wrong, Need help! //@harnoor

The error says it failed to find table config for the table.