Message type: E = Error
Message class:  FI - TR-FM Funds Management 
Message number: 791
Message text: Functional area & cannot be deleted, as budget values exist
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The SAP error message FI791 indicates that a functional area cannot be deleted because there are existing budget values associated with it. This typically occurs in the context of financial accounting and controlling, where functional areas are used to categorize costs and revenues for reporting purposes.
Cause: The primary cause of this error is that the functional area you are trying to delete has budget data associated with it. This means that there are budget entries or allocations that reference this functional area, and SAP prevents deletion to maintain data integrity and avoid inconsistencies in financial reporting.
Solution: To resolve this error, you can follow these steps: Check Budget Entries: Use transaction codes like S_ALR_87013558 (Budget Overview) or S_ALR_87013559 (Budget Reports) to review the budget entries associated with the functional area. Identify any budget values that are linked to the functional area you wish to delete. Delete or Adjust Budget Values: If you find budget entries that are
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