Message type: E = Error
Message class:  CNV_10996 - Messages for archive conversion 
Message number: 044
Message text: Note 664551 was not implemented.
Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.
To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.
Unfortunately, there isn't any extra information in this error notice.
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The SAP error message CNV_10996044 indicates that a specific note (in this case, Note 664551) has not been implemented in your SAP system. This error typically arises during data migration or conversion processes, particularly when using SAP's tools for system conversion or data migration.
Cause: The error occurs because the system is trying to access functionality or data structures that are defined in the specified note, which has not been applied to your system. This can happen if: The note is required for a specific migration or conversion process. The note was not included in your system's update or patching process. The note is relevant to the version of SAP you are using, and it has not been implemented.
Solution: To resolve this error, you should follow these steps: Check Note Availability: Go to the SAP Support Portal and check if Note 664551 is available for your version of SAP. You can do this by searching for the note
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