Message type: E = Error
Message class:  CNV_20100 - Messageclass for chart of account conversion 
Message number: 649
Message text: Program SD_PLANVALUE_UPDATE is missing; proceed according to long text =>
Duplicate keys occurred during the conversion of table COES.
The associated records were deleted in tables COES and COSP.
Re-creation of these data is required.
Error message.
According to SAP Note 98745, program SD_PLANVALUE_UPDATE must be created
in the system. It can be named either SD_PLANVALUE_UPDATE or
CNV_20100_SD_PLANVALUE_UPDATE.
After that, execute this activity again.
Error message extract from SAP system. Copyright SAP SE.
The SAP error message CNV_20100649 indicates that the program SD_PLANVALUE_UPDATE is missing. This error typically arises during data migration or conversion processes, particularly when using SAP's tools for data transfer or system upgrades.
Cause: Missing Program: The program SD_PLANVALUE_UPDATE is not available in the system. This could be due to an incomplete installation, missing transport requests, or issues during the upgrade or migration process. Incorrect Configuration: The system may not be properly configured to access or execute the required program. Version Compatibility: The program may not exist in the version of SAP you are using, especially if you are working with a custom or older version.
Solution: Check Program Availability: Use transaction code SE38 or SA38 to check if the program SD_PLANVALUE_UPDATE exists in your system. If it does not exist, you may need to transport it from another system where it is available. Transport Requests: If the program is missing, check if it was part of a transport request
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