Unable open Alerts-Notifications

```
2024-05-16T14:48:56.134+03:00 ERROR [AnyExceptionClassMapper] Unhandled exception in REST resource
java.lang.RuntimeException: IOException encountered while parsing
at org.mongojack.internal.stream.JacksonDecoder.decode(JacksonDecoder.java:45) ~[graylog.jar:?]
at org.mongojack.internal.stream.JacksonCodec.decode(JacksonCodec.java:75) ~[graylog.jar:?]
at com.mongodb.internal.operation.CommandResultArrayCodec.decode(CommandResultArrayCodec.java:52) ~[graylog.jar:?]
at com.mongodb.internal.operation.CommandResultDocumentCodec.readValue(CommandResultDocumentCodec.java:60) ~[graylog.jar:?]
at org.bson.codecs.BsonDocumentCodec.decode(BsonDocumentCodec.java:87) ~[graylog.jar:?]
at org.bson.codecs.BsonDocumentCodec.decode(BsonDocumentCodec.java:42) ~[graylog.jar:?]
at org.bson.internal.LazyCodec.decode(LazyCodec.java:53) ~[graylog.jar:?]
at org.bson.codecs.BsonDocumentCodec.readValue(BsonDocumentCodec.java:104) ~[graylog.jar:?]
at com.mongodb.internal.operation.CommandResultDocumentCodec.readValue(CommandResultDocumentCodec.java:63) ~[graylog.jar:?]
at org.bson.codecs.BsonDocumentCodec.decode(BsonDocumentCodec.java:87) ~[graylog.jar:?]
at org.bson.codecs.BsonDocumentCodec.decode(BsonDocumentCodec.java:42) ~[graylog.jar:?]
at com.mongodb.internal.connection.ReplyMessage.(ReplyMessage.java:45) ~[graylog.jar:?]
at com.mongodb.internal.connection.InternalStreamConnection.getCommandResult(InternalStreamConnection.java:544) ~[graylog.jar:?]
at com.mongodb.internal.connection.InternalStreamConnection.receiveCommandMessageResponse(InternalStreamConnection.java:438) ~[graylog.jar:?]
at com.mongodb.internal.connection.InternalStreamConnection.sendAndReceive(InternalStreamConnection.java:354) ~[graylog.jar:?]
at com.mongodb.internal.connection.UsageTrackingInternalConnection.sendAndReceive(UsageTrackingInternalConnection.java:114) ~[graylog.jar:?]
at com.mongodb.internal.connection.DefaultConnectionPool$PooledConnection.sendAndReceive(DefaultConnectionPool.java:743) ~[graylog.jar:?]
at com.mongodb.internal.connection.CommandProtocolImpl.execute(CommandProtocolImpl.java:76) ~[graylog.jar:?]
at com.mongodb.internal.connection.DefaultServer$DefaultServerProtocolExecutor.execute(DefaultServer.java:209) ~[graylog.jar:?]
at com.mongodb.internal.connection.DefaultServerConnection.executeProtocol(DefaultServerConnection.java:115) ~[graylog.jar:?]
at com.mongodb.internal.connection.DefaultServerConnection.command(DefaultServerConnection.java:83) ~[graylog.jar:?]
at com.mongodb.internal.connection.DefaultServerConnection.command(DefaultServerConnection.java:74) ~[graylog.jar:?]
at com.mongodb.internal.connection.DefaultServer$OperationCountTrackingConnection.command(DefaultServer.java:299) ~[graylog.jar:?]
at com.mongodb.internal.operation.SyncOperationHelper.createReadCommandAndExecute(SyncOperationHelper.java:270) ~[graylog.jar:?]
at com.mongodb.internal.operation.FindOperation.lambda$execute$1(FindOperation.java:313) ~[graylog.jar:?]
at com.mongodb.internal.operation.SyncOperationHelper.lambda$withSourceAndConnection$0(SyncOperationHelper.java:124) ~[graylog.jar:?]
at com.mongodb.internal.operation.SyncOperationHelper.withSuppliedResource(SyncOperationHelper.java:149) ~[graylog.jar:?]
at com.mongodb.internal.operation.SyncOperationHelper.lambda$withSourceAndConnection$1(SyncOperationHelper.java:123) ~[graylog.jar:?]
at com.mongodb.internal.operation.SyncOperationHelper.withSuppliedResource(SyncOperationHelper.java:149) ~[graylog.jar:?]
at com.mongodb.internal.operation.SyncOperationHelper.withSourceAndConnection(SyncOperationHelper.java:122) ~[graylog.jar:?]
at com.mongodb.internal.operation.FindOperation.lambda$execute$2(FindOperation.java:310) ~[graylog.jar:?]
at com.mongodb.internal.operation.SyncOperationHelper.lambda$decorateReadWithRetries$12(SyncOperationHelper.java:289) ~[graylog.jar:?]
at com.mongodb.internal.async.function.RetryingSyncSupplier.get(RetryingSyncSupplier.java:67) ~[graylog.jar:?]
at com.mongodb.internal.operation.FindOperation.execute(FindOperation.java:321) ~[graylog.jar:?]
at com.mongodb.internal.operation.FindOperation.execute(FindOperation.java:71) ~[graylog.jar:?]
at com.mongodb.client.internal.MongoClientDelegate$DelegateOperationExecutor.execute(MongoClientDelegate.java:153) ~[graylog.jar:?]
at com.mongodb.client.internal.MongoIterableImpl.execute(MongoIterableImpl.java:130) ~[graylog.jar:?]
at com.mongodb.client.internal.MongoIterableImpl.iterator(MongoIterableImpl.java:90) ~[graylog.jar:?]
at org.mongojack.internal.util.FindIterableDecorator.iterator(FindIterableDecorator.java:274) ~[graylog.jar:?]
at org.mongojack.DBCursor.getCursor(DBCursor.java:93) ~[graylog.jar:?]
at org.mongojack.DBCursor.hasNext(DBCursor.java:83) ~[graylog.jar:?]
at java.base/java.util.Iterator.forEachRemaining(Iterator.java:132) ~[?:?]
at java.base/java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1845) ~[?:?]
at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:509) ~[?:?]
at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:499) ~[?:?]
at java.base/java.util.stream.ReduceOps$ReduceOp.evaluateSequential(ReduceOps.java:921) ~[?:?]
at java.base/java.util.stream.ReduceOps$5.evaluateSequential(ReduceOps.java:258) ~[?:?]
at java.base/java.util.stream.ReduceOps$5.evaluateSequential(ReduceOps.java:248) ~[?:?]
at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) ~[?:?]
at java.base/java.util.stream.ReferencePipeline.count(ReferencePipeline.java:709) ~[?:?]
at org.graylog2.database.PaginatedDbService.findPaginatedWithQueryFilterAndSortWithGrandTotal(PaginatedDbService.java:190) ~[graylog.jar:?]
at org.graylog2.database.PaginatedDbService.findPaginatedWithQueryFilterAndSort(PaginatedDbService.java:171) ~[graylog.jar:?]
at org.graylog.events.notifications.DBNotificationService.searchPaginated(DBNotificationService.java:46) ~[graylog.jar:?]
at org.graylog.events.rest.EventNotificationsResource.listNotifications(EventNotificationsResource.java:168) ~[graylog.jar:?]
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:?]
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77) ~[?:?]
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
at java.base/java.lang.reflect.Method.invoke(Method.java:568) ~[?:?]
at org.glassfish.jersey.server.model.internal.ResourceMethodInvocationHandlerFactory.lambda$static$0(ResourceMethodInvocationHandlerFactory.java:52) ~[graylog.jar:?]
at org.glassfish.jersey.server.model.internal.AbstractJavaResourceMethodDispatcher$1.run(AbstractJavaResourceMethodDispatcher.java:146) ~[graylog.jar:?]
at org.glassfish.jersey.server.model.internal.AbstractJavaResourceMethodDispatcher.invoke(AbstractJavaResourceMethodDispatcher.java:189) ~[graylog.jar:?]
at org.glassfish.jersey.server.model.internal.JavaResourceMethodDispatcherProvider$TypeOutInvoker.doDispatch(JavaResourceMethodDispatcherProvider.java:219) ~[graylog.jar:?]
at org.glassfish.jersey.server.model.internal.AbstractJavaResourceMethodDispatcher.dispatch(AbstractJavaResourceMethodDispatcher.java:93) ~[graylog.jar:?]
at org.glassfish.jersey.server.model.ResourceMethodInvoker.invoke(ResourceMethodInvoker.java:478) ~[graylog.jar:?]
at org.glassfish.jersey.server.model.ResourceMethodInvoker.apply(ResourceMethodInvoker.java:400) ~[graylog.jar:?]
at org.glassfish.jersey.server.model.ResourceMethodInvoker.apply(ResourceMethodInvoker.java:81) ~[graylog.jar:?]
at org.glassfish.jersey.server.ServerRuntime$1.run(ServerRuntime.java:261) [graylog.jar:?]
at org.glassfish.jersey.internal.Errors$1.call(Errors.java:248) [graylog.jar:?]
at org.glassfish.jersey.internal.Errors$1.call(Errors.java:244) [graylog.jar:?]
at org.glassfish.jersey.internal.Errors.process(Errors.java:292) [graylog.jar:?]
at org.glassfish.jersey.internal.Errors.process(Errors.java:274) [graylog.jar:?]
at org.glassfish.jersey.internal.Errors.process(Errors.java:244) [graylog.jar:?]
at org.glassfish.jersey.process.internal.RequestScope.runInScope(RequestScope.java:265) [graylog.jar:?]
at org.glassfish.jersey.server.ServerRuntime.process(ServerRuntime.java:240) [graylog.jar:?]
at org.glassfish.jersey.server.ApplicationHandler.handle(ApplicationHandler.java:697) [graylog.jar:?]
at org.glassfish.jersey.grizzly2.httpserver.GrizzlyHttpContainer.service(GrizzlyHttpContainer.java:367) [graylog.jar:?]
at org.glassfish.grizzly.http.server.HttpHandler$1.run(HttpHandler.java:190) [graylog.jar:?]
at com.codahale.metrics.InstrumentedExecutorService$InstrumentedRunnable.run(InstrumentedExecutorService.java:212) [graylog.jar:?]
at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136) [?:?]
at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635) [?:?]
at java.base/java.lang.Thread.run(Thread.java:833) [?:?]
Caused by: com.fasterxml.jackson.databind.exc.UnrecognizedPropertyException: Unrecognized field "type" (class org.graylog.events.notifications.EventNotificationConfig$FallbackNotificationConfig), not marked as ignorable (0 known properties: ])
at [Source: (String); byte offset: #UNKNOWN] (through reference chain: org.graylog.events.notifications.AutoValue_NotificationDto$Builder["config"]->org.graylog.events.notifications.EventNotificationConfig$FallbackNotificationConfig["type"])
at com.fasterxml.jackson.databind.exc.UnrecognizedPropertyException.from(UnrecognizedPropertyException.java:61) ~[graylog.jar:?]
at com.fasterxml.jackson.databind.DeserializationContext.handleUnknownProperty(DeserializationContext.java:1153) ~[graylog.jar:?]
at com.fasterxml.jackson.databind.deser.std.StdDeserializer.handleUnknownProperty(StdDeserializer.java:2241) ~[graylog.jar:?]
at com.fasterxml.jackson.databind.deser.BeanDeserializerBase.handleUnknownProperty(BeanDeserializerBase.java:1793) ~[graylog.jar:?]
at com.fasterxml.jackson.databind.deser.BeanDeserializerBase.handleUnknownVanilla(BeanDeserializerBase.java:1771) ~[graylog.jar:?]
at com.fasterxml.jackson.databind.deser.BeanDeserializer.vanillaDeserialize(BeanDeserializer.java:316) ~[graylog.jar:?]
at com.fasterxml.jackson.databind.deser.BeanDeserializer._deserializeOther(BeanDeserializer.java:215) ~[graylog.jar:?]
at com.fasterxml.jackson.databind.deser.BeanDeserializer.deserialize(BeanDeserializer.java:187) ~[graylog.jar:?]
at com.fasterxml.jackson.databind.jsontype.impl.AsPropertyTypeDeserializer._deserializeTypedForId(AsPropertyTypeDeserializer.java:170) ~[graylog.jar:?]
at com.fasterxml.jackson.databind.jsontype.impl.AsPropertyTypeDeserializer.deserializeTypedFromObject(AsPropertyTypeDeserializer.java:136) ~[graylog.jar:?]
at com.fasterxml.jackson.databind.deser.AbstractDeserializer.deserializeWithType(AbstractDeserializer.java:263) ~[graylog.jar:?]
at com.fasterxml.jackson.databind.deser.impl.MethodProperty.deserializeSetAndReturn(MethodProperty.java:167) ~[graylog.jar:?]
at com.fasterxml.jackson.databind.deser.BuilderBasedDeserializer.vanillaDeserialize(BuilderBasedDeserializer.java:294) ~[graylog.jar:?]
at com.fasterxml.jackson.databind.deser.BuilderBasedDeserializer.deserialize(BuilderBasedDeserializer.java:218) ~[graylog.jar:?]
at com.fasterxml.jackson.databind.deser.DefaultDeserializationContext.readRootValue(DefaultDeserializationContext.java:342) ~[graylog.jar:?]
at com.fasterxml.jackson.databind.ObjectReader._bind(ObjectReader.java:2099) ~[graylog.jar:?]
at com.fasterxml.jackson.databind.ObjectReader.readValue(ObjectReader.java:1249) ~[graylog.jar:?]
at org.mongojack.internal.stream.JacksonDecoder.decode(JacksonDecoder.java:43) ~[graylog.jar:?]
... 80 more
```

## Context

## Your Environment

* Graylog Version: 6
* Java Version:
* OpenSearch Version:
* MongoDB Version:
* Operating System:
* Browser version: