Import Company task is working (almost)

current error i'm getting is:

CRM service call returned an error:
System.ServiceModel.FaultException<KingswaySoft.DynamicsCrmServices.Soap2011.OrganizationService.OrganizationServiceFault>:
Attribute: ownerid cannot be set to NULL (Error Code: -2147220989,
Detail Message: Attribute: ownerid cannot be set to NULL)