Message type: E = Error
Message class:  CNV_10510 - Message class for package 40300 (ANLKL) 
Message number: 025
Message text: No new value found for mapping of &1 &2
No participating objects found 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 CNV_10510025: No new value found for mapping of &1 &2 typically occurs during data migration or conversion processes, particularly when using the SAP S/4HANA Migration Cockpit or other data migration tools. This error indicates that the system is unable to find a corresponding new value for a specific mapping of a source value in the target system.
Cause: Missing Mapping Entries: The most common cause is that there is no mapping defined for the source value in the target system. This can happen if the mapping table is incomplete or if the source data contains values that were not anticipated. Incorrect Configuration: The mapping configuration may not be set up correctly, leading to mismatches between source and target values. Data Quality Issues: The source data may contain unexpected or invalid values that do not have corresponding mappings. Custom Logic: If there are custom mappings or transformations defined, they may not be
 Get instant SAP help. Sign up for our Free Essentials Plan.
Get instant SAP help. Sign up for our Free Essentials Plan. 
CNV_10510024 
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
CNV_10510023 
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
CNV_10510026 
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
CNV_10510027 
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
Click on this link to search all SAP messages.