Message type: E = Error
Message class:  CNV_10030 - Message class for package 10030 
Message number: 172
Message text: There is no record for cluster table &1 in table CNV_10020_TABREF
For cluster table &V1& some fields are marked for using generated coding
instead of a generic form routine or function module. This coding is
table dependent and requires a table number that has to be assigned to
cluster table &V1& in table CNV_10020_TABREF. There should be a record
created by the activity <ZK>Prepare Program Generation</>.
The conversion program for cluster table &V1& cannot be generated.
Repeat the activity <ZK>Prepare Program Generation</>. If the error
still occurs, use the generic approach for all table fields and repeat
the activity <ZK>Prepare Program Generation</> once more.
Error message extract from SAP system. Copyright SAP SE.
The SAP error message CNV_10030172 indicates that there is no record for a specified cluster table in the table CNV_10020_TABREF. This error typically arises during data migration or conversion processes, particularly when using the SAP S/4HANA Migration Cockpit or other data migration tools.
Cause: Missing Configuration: The error usually occurs when the system is unable to find the necessary configuration or mapping for the specified cluster table in the CNV_10020_TABREF table. This can happen if the migration project is not set up correctly or if the required entries were not created during the setup. Incorrect Table Name: The table name specified in the error message may be incorrect or misspelled, leading to the system's inability to locate the corresponding entry. Data Migration Tool Issues: If you are using a specific data migration tool or program, it may not have been properly configured to handle the cluster table in question.
Solution: Check Table CNV_10020_TABREF: Verify that the
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