A script-enabled browser is required for this page to function properly.

REP-20146: This action may invalidate references to columns in the referenced object

Cause:

Collapsing a Database Ref, Database Nested Table, or Database Varray column invalidates any external use of the referenced columns. for example in PL/SQl Program Units or in Summary Columns.

Action:

To use the referenced columns, do not collapse the Database Ref, Database Nested Table, or Database Varray columns referencing them.

Note:  For help on other error messages, see Finding error message help.