ORA-12486: effective max labels and min labels cannot be changed

ORA-12486
ORA-12486: effective max labels and min labels cannot be changed
Cause: You attempted to enter a value for an effective min label or effective max
label, but these labels cannot be changed.
Action: Enter NULL values for the effective minimum and maximum labels.
More details : Viste http://www.high-oracle.com/ora-12486/
More details : Viste http://www.high-oracle.com/ora-12486/
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