Oracle : Ошибка ORA-10031

"sort debug event (S*)"
*Document: NO
*Action: Set this event only under the supervision of Oracle development.
Trace level is a bitfield.

0x0001 Trace sort auto memory management requirements
0x0002 Dump sort subheaps before freeing or resetting
0x0004 Trace use of new vs old sort
0x0008 Reserved for sort IO tracing
0x0010 Disable storing duplicates in linked list (also disables
part of top n rank optimization)
0x0020 Trace cluster-by-rowid (CBRID) sort

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