When posting audit result for POMBA, the following error message is seen on DataRouter: 

{{}}IntegrityValidationPolicy||ERROR|DR3015E|DR3015E Failed to create or update document in index service-valid ations. Cause: {
{{ "type" : "illegal_argument_exception",}}
{{ "reason" : "Limit of total fields [1000] in index [service-validations] has been exceeded"}}
}|
{{}}{{}}

Looks like a field is being set in ES that does not allow us to post this result in. You can use to attached payload to post to DmaaP and check the logs in DataRouter

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fixed the issue (work around for now until committed)

curl -v -X PUT -k -u admin:admin -H "Content-Type:application/json" --insecure -d '{
"index" : {
"mapping.total_fields.limit" : 5000
}
}' http://<elastic_search_ip>:9200/service-validations/_settings