Message type: E = Error
Message class:  CNV20200 - Messages for development class CNV_20200 
Message number: 398
Message text: SUMUP S indicator set for &1
Table &V1& may be a totals table.
Key fields in table &V1& participate in the conversion, and there are
non-key fields with data type QUAN and/or CURR.
Warning
The SUMUP S indicator has been set.
Consequently, the currency amount as well as amount fields in the
non-key part of the table would be totaled.
Find out if the table &V1& is really a totals table and if it makes
sense to total the amount and currency amount fields of data type QUAN
and CURR. If this is not the case, change the settings for the table
&V1& accordingly.
Error message extract from SAP system. Copyright SAP SE.
The SAP error message CNV20200398 with the description "SUMUP S indicator set for &1" typically occurs during data migration or conversion processes, particularly when using the SAP S/4HANA Migration Cockpit or similar tools. This error indicates that there is an issue with the SUMUP S indicator, which is related to the handling of summary records in the migration process.
Cause: The error is generally caused by one of the following reasons: Data Inconsistency: The data being migrated may have inconsistencies or issues that prevent the successful setting of the SUMUP S indicator.
Configuration Issues: There may be configuration settings in the migration tool or the source system that are not aligned with the requirements for the migration. Missing Data: Required data for the summary records may be missing or not properly formatted.
Solution: To resolve the CNV20200398 error, you can take the following steps: Check Data Consistency: Review the data being migrated to ensure that it is consistent
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