In the current trunk Samigo, there is a stack trace because some code was removed from the "group by" in a hibernate query. Not sure if this was for performance or for what reason. It's possible that other removed or altered code might also cause problems.
caused by: org.springframework.dao.InvalidDataAccessResourceUsageException: could not execute query; SQL [select assessment2_.ID as col_0_0_, count(*) as col_1_0_ from SAM_ITEM_T itemdata0_, SAM_SECTION_T sectiondat1_, SAM_ASSESSMENTBASE_T assessment2_, SAM_AUTHZDATA_T authorizat3_ where assessment2_.isTemplate='0' and assessment2_.ID=sectiondat1_.ASSESSMENTID and sectiondat1_.SECTIONID=itemdata0_.SECTIONID and assessment2_.ID=authorizat3_.QUALIFIERID and authorizat3_.FUNCTIONID=? and authorizat3_.AGENTID=?]; nested exception is org.hibernate.exception.SQLGrammarException: could not execute query
caused by: org.hibernate.exception.SQLGrammarException: could not execute query
caused by: java.sql.SQLException: ORA-00937: not a single-group group function