OQL query Exception

Hi,

I m trying to run the following query:

select * from dataload.gsrl INNER JOIN dataload.gsrl/dataload.actvtypegsrl/dataload.actvtype WHERE dataload.actvtype/expttype_cd = '9027'

But i m getting following exception: Caused by: com.mendix.connectionbus.ConnectionBusRuntimeException: 'dataload.actvtype' is not a valid entity type., exception occurred on mapping the following query: SELECT * FROM dataload.gsrl INNER JOIN dataload.gsrl/dataload.actvtypegsrl/dataload.actvtype WHERE dataload.actvtype/expttype_cd = '9027' at com.mendix.connectionbus.retrieve.query.mapping.QueryMapper.getMappedQueries(QueryMapper.java:259)

Caused by: com.mendix.connectionbus.ConnectionBusRuntimeException: 'dataload.actvtype' is not a valid entity type. at com.mendix.connectionbus.util.LegacyModel$$anonfun$getMetaObject$1.apply(LegacyModel.scala:43) at com.mendix.connectionbus.util.LegacyModel$$anonfun$getMetaObject$1.apply(LegacyModel.scala:43) at scala.Option.getOrElse(Option.scala:121) at com.mendix.connectionbus.util.LegacyModel.getMetaObject(LegacyModel.scala:43) at com.mendix.connectionbus.DomainModelUtilImpl.getPersistableMetaObject(DomainModelUtil.scala:70) at com.mendix.connectionbus.DomainModelUtil$.getPersistableMetaObject(DomainModelUtil.scala:30) at com.mendix.connectionbus.DomainModelUtil.getPersistableMetaObject(DomainModelUtil.scala)