You tried to attach a PL/SQL library that has the same name as another PL/SQL library that is already attached. This could happen if you renamed a file that contains a PL/SQL library, but the internal name recognized by Reports Builder was not changed.
Action:
Use File--\>Save As... to save the PL/SQL library under a different name.
Note: For help on other error messages, see Finding error message help.
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