Message type: E = Error
Message class:  CNV10994 - Message class for CNV_10994 
Message number: 120
Message text: No conversion-relevant data found in CDHDR and CDPOS => long text
No data records in tables CDHDR and CDPOS were found whose structure is
included in change document object table CNV_10994_TSTRUC and which
have domains/data elements which are relevant for the conversion.
The system issues an error message and will not allow you to continue with this transaction until the error is resolved.
Error message extract from SAP system. Copyright SAP SE.
The SAP error message CNV10994120 indicates that there is no conversion-relevant data found in the change document tables CDHDR (Change Document Header) and CDPOS (Change Document Items). This error typically arises during data migration or conversion processes, particularly when using SAP's Data Migration tools or during system upgrades.
Cause: No Change Documents: The primary cause of this error is that there are no change documents recorded in the CDHDR and CDPOS tables for the objects you are trying to convert or migrate. This can happen if: The relevant change documents were not created due to system settings. The data you are trying to convert has not been changed after the change document logging was activated. The change document logging is not enabled for the specific objects or tables you are working with. Incorrect Configuration: If the configuration for change document logging is not set up correctly, it may lead to the absence of relevant data in
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