Hello Juan metalink of course reports some bugs on your failing functions. You should look on metalink to debug it. BTW have you checked the trace file for this problem? Any interesting hint? Thanks Stefano -- http://www.stefanocislaghi.eu * > ERROR at line 11: > ORA-00600: internal error code, arguments: [kghfrf1], [0x000000000], [], > [], [], [], [], [] > > -- > //www.freelists.org/webpage/oracle-l > > >