Message type: E = Error
Message class:  CNV_20200_CHECK - Messages for check functions (company code merge) 
Message number: 233
Message text: Source value missing for (CoCd &1, new AccGrp &2)
Source value missing for (company code &V1&, new securities account
group &V2&).
Error
Provide a suitable mapping for securities account groups.
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_20200_CHECK233 indicates that there is a missing source value for a specific company code (CoCd) and a new account group (AccGrp) during a data migration or conversion process. This error typically arises in the context of SAP's data migration tools, such as the SAP S/4HANA Migration Cockpit or other conversion programs.
Cause: Missing Data: The error suggests that the system is expecting a source value for the specified company code and account group, but it is not found in the data being processed.
Configuration Issues: There may be a misconfiguration in the mapping of account groups or company codes in the migration settings. Data Inconsistencies: The source data may have inconsistencies or missing entries that prevent the migration process from proceeding.
Solution: Check Source Data: Review the source data to ensure that all required values for the specified company code and account group are present. Look for any missing entries or incorrect
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