Message type: E = Error
Message class:  /NFM/CA -  
Message number: 412
Message text: Enter an NF key
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The SAP error message /NFM/CA412 Enter an NF key typically occurs in the context of the SAP Flexible Real Estate Management (RE-FX) module, particularly when dealing with the management of lease contracts or financial agreements. The error indicates that a required "NF key" (which stands for "Numbering Framework key") has not been provided or is missing in the transaction you are trying to execute.
Cause: Missing NF Key: The most common cause of this error is that the NF key, which is necessary for identifying the specific lease or financial agreement, has not been entered in the relevant field.
Configuration Issues: There may be issues with the configuration of the Numbering Framework in the system, which could lead to the system not recognizing valid NF keys. User Input Error: The user may have overlooked entering the NF key or may have entered it incorrectly.
Solution: Enter the NF Key: Ensure that you enter a valid NF
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