Hi All, Currently we facing search problem on our UCM Server. The ucm server often give us error messages when we search document either from quick search or from search profile.We sometimes have to wait for long time for the search results. After the error messages comes out, when we search again for the same keyword, the ucm ussually will give us the search result with quick responds. the error messages is looks like this. DRG-50857: oracle error in ctx_query.result_set ORA-20000: Oracle Text error: ORA-06512: at "CTXSYS.DRUE"\, line 160 ORA-06512: at "CTXSYS.CTX_QUERY"\, line 788 ORA-06512: at "ECM.CONTENT_SEARCH"\, line 116 ORA-06512: at line 1 Content server version: CS10gR35UpdateBundle 2010_03_25 (build 58) Compatible with Build (126.96.36.199-7.3) did anyone know how to solve this problem or have experiecened with this kind of problem.. please give us any advice or clue how to solve this problem. best regards.