Encountered a strange problem

[alliance]

The event and alert cannot be queried, the page always displays Loading Events information…, and the log shows failed to execute: parameters=AggregationEventProcessorParameters{type=aggregation-v1, timerange=AbsoluteRange{type=absolute, from=2020-07-16T08:28 :36.569Z, to=2020-07-16T09:28:36.568Z}, streams=, batchSize=500} (retry in 5000 ms)
java.lang.RuntimeException: IOException encountered while reading from a byte array input stream
Caused by: com.fasterxml.jackson.databind.exc.UnrecognizedPropertyException: Unrecognized field “query_parameters” (class org.graylog.events.processor.aggregation.AutoValue_AggregationEventProcessorConfig$Builder), not marked as ignorable (8 known properties: “streams”, “execute_every_ms”, “series”, “conditions”, “type”, “search_within_ms”, “group_by”, “query”])
at [Source: de.undercouch.bson4jackson.io.LittleEndianInputStream@1d717388; pos: 184] (through reference chain: org.graylog.events.processor.$AutoValue_EventDefinitionDto$Builder[“config”]->org.graylog.events. processor.aggregation.AutoValue_AggregationEventProcessorConfig$Builder[“query_parameters”])

[Ponet (Jesse Hills)]

Have you confirmed that the query_parameters field exists?

Notice the below in the error mesage you posted:
Unrecognized field “query_parameters”