Cube not allowed generate Categories.

Cognos cube not allowed generated categories manually and Error in Transformer.

Problem : When tried generate categories manually, cube Cognos transformer not allowed.

Solution:

1. Find out which dimension cube not allowed generated categories manually
2. Right click on dimension
3. Properties of dimesion
4. General Tab
5. Check box click on "Prohibit automatic creation of new categories"
6. Click OK
7. Again generate categories manually
8. Done