SAP Message 3F793 - Available budget was exceeded

Diagnosis
You have assigned a budget value to a budget unit. This value exceedsthe superior budget unit's disposable budget value and at the sametime, this value does not cover the subordinate budgets. As a result,your budget structure is inconsistent and can, therefore, not bereleased.

WHAT_TO_DO&
Your budgets must be consistent, to do this, modify the budget valuesaccordingly.