Is this a known issue?Yes, it is a known issue. Bug 11778359: DB2:RUN DATA QUALITY REPORT GET UNHANDLED EXCEPTION: DB2 SQL ERROR
Do we have fix available?Not yet. A fix shall be available in a future version of SQL Developer. Don't ask me in which one and when, I have no idea.
I think we need a change in QUOTE function of MD_META package and DB viewsI don't agree. I don't know what might break if you manipulate that package.