Message type: E = Error
Message class:  FI - TR-FM Funds Management 
Message number: 563
Message text: Actual data will be irretrievable
You want to delete the actual data in a production system.
You are not allowed to delete the actual data.
You cannot reconstruct the actual data and you may not delete it.
Error message extract from SAP system. Copyright SAP SE.
The SAP error message FI563 ("Actual data will be irretrievable") typically occurs in the context of financial accounting when there is an issue with the posting of actual data in the system. This error can arise due to various reasons, including:
Causes:
Data Inconsistency: There may be inconsistencies in the data being posted, such as missing or incorrect account assignments.
Posting Period Issues: The posting period may be closed, preventing any further postings to that period.
Document Type Restrictions: The document type being used may have restrictions that prevent the posting of actual data.
Configuration Issues: There may be configuration settings in the financial accounting module that are not set up correctly.
Authorization Issues: The user may not have the necessary authorizations to post actual data.
Solutions:
Check Posting Period: Ensure that the posting period is open. You can do this by navigating to the transaction code OB52 to check and adjust the posting periods.
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