ORA-09881: sstasfre/sstasdel: shmdt error, unable to detach tas read page

ORA-09881
ORA-09881: sstasfre/sstasdel: shmdt error, unable to detach tas read page
Cause: Error in shmdt.
Action: Check errno returned.
More details : Viste http://www.high-oracle.com/ora-09881/
More details : Viste http://www.high-oracle.com/ora-09881/
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