2601587 - Publication does not start on DataHub

When replicate customer from SAP Backend system to SAP Hybris, the idocs were created and sent to the datahub, which passed through the load and compositions phases succesfully but the publication one did not start due to the follwing error:

2018-01-26 15:01:29,667 [ERROR] [DataHubActorSystem-akka.actor.default-dispatcher-14] [c.h.d.s.i.DefaultDataHubEventListenerRegistry] com.hybris.datahub.service.impl.PublicationInitiationEventListener threw an exception on InitiatePublicationEvent. Continuing to notify other listeners. com.hybris.datahub.conversion.base.ConversionException: Target system 'HybrisCore' not found for request publication data: TargetSystemPublicationData{publicationId=null, startTime=null, endTime=null, status='null', targetSystemName='HybrisCore', actionId=4, poolName='null', canonicalItemCount=0, internalErrorCount=0, externalErrorCount=0, numberOfErrors=0, ignoredCount=0}

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Hybris: 6.x+

Datahub: 6.x+

SAP Commerce 1811 ; SAP Commerce 1905 ; SAP Commerce 2005 ; SAP Commerce 2011 ; SAP Commerce 2105 ; SAP Hybris Commerce 1808 ; SAP Hybris Commerce 6.0 ; SAP Hybris Commerce 6.1 ; SAP Hybris Commerce 6.2 ; SAP Hybris Commerce 6.3 ; SAP Hybris Commerce 6.4 ; SAP Hybris Commerce 6.5 ; SAP Hybris Commerce 6.6 ; SAP Hybris Commerce 6.7

poolName='null' DefaultDataHubEventListenerRegistry Publication , KBA , CEC-SCC-INT-HUB , Data Hub , Problem