Message type: E = Error
Message class:  FI - TR-FM Funds Management 
Message number: 790
Message text: Functional area & cannot be deleted, as actuals data exists
Transaction data exists.
The system issues an error message and will not allow you to continue with this transaction until the error is resolved.
For more detailed information, call the error log using transaction
SLG1.
Error message extract from SAP system. Copyright SAP SE.
The SAP error message FI790 indicates that a functional area cannot be deleted because there are actuals data associated with it. This typically occurs in the context of financial accounting, where functional areas are used for internal reporting and cost allocation.
Cause: Actual Data Exists: The primary reason for this error is that there are posted transactions (actuals) linked to the functional area you are trying to delete. This could include various financial documents such as invoices, journal entries, or other postings that reference the functional area. Data Integrity: SAP enforces data integrity rules to ensure that deleting a functional area does not lead to inconsistencies in financial reporting or data analysis.
Solution: To resolve this error, you have a few options: Check for Actuals: Use transaction codes like FB03 (Display Document) or FBL3N (G/L Account Line Items) to review the postings associated with the functional area. Identify and analyze the transactions that are linked to the
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