SAP Message AP206 - Budget category &1 not available

Diagnosis
The investment program belongs to program type &V2&. However, budgetcategory &V1& is not allowed for program type &V2&.

System Response
The entry is rejected.

Procedure
Enter only budget categories that are allowed for program type &V2&.You can find the allowed budget categories easily by using the entryhelp.
Or, if necessary, you can allow budget category &V1& for program typeV2 by making changes in customizing.