ORA-38444: statistics do not exist for the expression set

ORA-38444
ORA-38444: statistics do not exist for the expression set
Cause: An attempt was made to clear the statistics that do not exist.
Action: No action was required.
More details : Viste http://www.high-oracle.com/ora-38444/
More details : Viste http://www.high-oracle.com/ora-38444/
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