Message type: E = Error
Message class:  FINS_CFIN_AC_CFG - Central Finance: Configuration 
Message number: 000
Message text: Fill ID fields only for key mapping (Object ID already specified)
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The SAP error message FINS_CFIN_AC_CFG000 typically occurs in the context of the Central Finance (CFIN) module when there is an issue with the configuration of key mapping for financial documents. This error indicates that the system has detected that the ID fields are being filled incorrectly, specifically that the Object ID has already been specified, and therefore, the ID fields should not be filled again.
Cause: The error is usually caused by one of the following reasons: Incorrect Configuration: The key mapping configuration for the financial documents may not be set up correctly, leading to conflicts in how IDs are being assigned. Duplicate Entries: There may be duplicate entries in the mapping table, causing the system to reject the additional ID fields. Data Entry Error: During the mapping process, the user may have inadvertently filled in the ID fields when they should have left them blank.
Solution: To resolve the error, you can take the following steps: Review
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