There are a number of objects that you cannot use in a mapplet. They are:
1. Joiner transformations
2. COBOL source definition
3. Target definitions
4. IBM WMQ source definitions
5. XML source definitions
6. Normaliser transformations
7. Nonreusable sequence generator transformations
8. Power mart 3.5 styles Lookup functions
9. Post or pre-session stored procedures
