java.lang.NullPointerException
    at org.kuali.rice.krad.dao.impl.BusinessObjectDaoOjb.findBySinglePrimaryKey(BusinessObjectDaoOjb.java:65)
    at org.kuali.rice.krad.dao.proxy.BusinessObjectDaoProxy.findBySinglePrimaryKey(BusinessObjectDaoProxy.java:172)
    at org.kuali.rice.krad.service.impl.BusinessObjectServiceImpl.findBySinglePrimaryKey(BusinessObjectServiceImpl.java:148)
    at org.kuali.kra.institutionalproposal.proposallog.service.impl.ProposalLogServiceImpl.updateProposalLogStatus(ProposalLogServiceImpl.java:64)
    at org.kuali.kra.institutionalproposal.proposallog.service.impl.ProposalLogServiceImpl.mergeProposalLog(ProposalLogServiceImpl.java:50)
    at org.kuali.kra.institutionalproposal.proposallog.ProposalLogMergeAction.mergeToInstitutionalProposal(ProposalLogMergeAction.java:45)

Fixes https://github.com/rSmart/issues/issues/383