Diagnosis
The following criteria must be satisfied before availability controlcan be activated:

• There must be at least one active entry in the tolerance limits for the
budget profile.

• There must be a budget for the object (order, project, CF center etc.):

If you want the availability check to be against the overall budget, anoverall budget must exist.
If you want the availability check to be against the annual budget, anannual budget must exist.
If you want the availabilty check to be against releases, you mustrelease some of the budget.

• A budget of 0 currency units is only regarded as a valid budget if it
was produced from at least two activities (e.g.original budget,return).