ora-02303: cannot drop or replace a type with type or table dependents

Cause: An attempt was made to drop or replace a type that has dependents. There could be a substitutable column of a supertype of the type being dropped.
Action: Drop all type(s) and table(s) depending on the type, then retry the operation using the VALIDATE option, or use the FORCE option.

no se puede borrar ni sustituir un tipo que tenga dependientes de tipo o tabla
impossible de supprimer ou de remplacer un type dont dépendent des types ou des tables
Typ mit abhängigen Typen oder Tabellen kann nicht gelöscht oder ersetzt werden
não é possível suprimir ou substituir um tipo com dependentes de tipo ou de tabela
ora-15230 ora-29176 ora-31082