You attempted to add an item to a list, but the item was previously added to the list. For example, if you attempted to add lib1 to your report's Attached PL/SQL Library list, and lib1 was already found in the Attached PL/SQL Library list, you would receive this error.
Action:
Once an item has been added to a list, it does not need to be added again.
Note: For help on other error messages, see Finding error message help.
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