ora-21700

Alter Type in Oracle Fails with ORA-22324 and ORA-21700

I'm trying to add an attribute to an already existing Object Type in an Oracle 10.2.0.4 DB. The schema is valid, and everything is working before running the following statement: ALTER TYPE sometype ADD ATTRIBUTE (somefield varchar(14)) CASCADE INCLUDING TABLE DATA / SHOW ERRORS The alter fails with an ORA-22324 and an ORA-21700. Afte...