| ERROR | Schema not found, or no types found in schema |
| CAUSE | A request was made to generate declarations for all the types in a database schema. Either the schema was not found, no user-declared types were found in the schema, or unable to connect to Oracle. |
| ACTION | Ensure that a login/password string was specified for OTT and that the Oracle database can be accessed with it. Ensure that the USER_TYPES table contains at least one row. |