2534057 - Error "pssFactoryClassName is null or blank" when scheduling an AOffice document

When scheduling an Analysis Office document, the following error can be found in the log files:

Caught unexpected exception:
java.lang.IllegalArgumentException: pssFactoryClassName is null or blank.
at com.businessobjects.js.child.ProcessingSubsystemHost.throwIllegalArgumentException(ProcessingSubsystemHost.java:2040)
at com.businessobjects.js.child.ProcessingSubsystemHost.<init>(ProcessingSubsystemHost.java:193)
at com.businessobjects.js.child.IJobImpl.run(IJobImpl.java:98)
at com.crystaldecisions.enterprise.ocaframework.idl.OSCA.OSCAip.IJobPOA._OB_op_run(IJobPOA.java:130)
at com.crystaldecisions.enterprise.ocaframework.idl.OSCA.OSCAip.IJobPOA._invoke(IJobPOA.java:91)
at com.crystaldecisions.thirdparty.com.ooc.OBPortableServer.ServantDispatcher.dispatch(ServantDispatcher.java:234)
at com.crystaldecisions.thirdparty.com.ooc.OBPortableServer.POA_impl._do_OB_dispatch(POA_impl.java:1980)
at com.crystaldecisions.thirdparty.com.ooc.OBPortableServer.POA_impl._OB_dispatch(POA_impl.java:1916)
at com.crystaldecisions.thirdparty.com.ooc.OB.DispatchRequest_impl.invoke(DispatchRequest_impl.java:122)
at com.crystaldecisions.thirdparty.com.ooc.OB.DispatchThreadPerRequest_impl$Dispatcher.run(DispatchStrategyFactory_impl.java:87)

• Analysis Office 2.4 SP3
• SAP BusinessObjects BI Platform 4.2 Support Pack 2

AJS AOffice pssFactoryClassName blank empty fail schedule , KBA , BI-BIP-INS , Installation, Updates, Upgrade, Patching , BI-RA-AO-BIP , AO Precalculation, Scheduling and AO InfoOb... , Problem