Message type: E = Error
Message class:  CNV_20900 - Message class for package CNV_20900 
Message number: 196
Message text: &1 of &2 Vendor numbers are participating in the conversion
Not all the vendor numbers present in vendor master table (LFA1)
participate in conversion.
The system issues an error message and will not allow you to continue with this transaction until the error is resolved.
If you wish to rename all the vendor numbers present in the system ,
specify the remaining vendor numbers in the mapping.
Error message extract from SAP system. Copyright SAP SE.
The SAP error message CNV_20900196 indicates that there are vendor numbers involved in a conversion process that are causing an issue. This error typically arises during data migration or conversion activities, particularly when using SAP's tools for migrating data from legacy systems to SAP S/4HANA or other SAP environments.
Cause: The error message CNV_20900196 usually occurs due to one of the following reasons: Duplicate Vendor Numbers: The vendor numbers being processed may be duplicated in the source data, which can lead to conflicts during the conversion. Inconsistent Data: There may be inconsistencies in the vendor data, such as missing mandatory fields or incorrect formats.
Configuration Issues: The configuration settings for the conversion process may not be set up correctly, leading to issues in processing the vendor data. Data Mapping Errors: There may be errors in the mapping of vendor data from the legacy system to the target SAP system.
Solution: To resolve the CNV_20900196 error, you can take
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