Message type: E = Error
Message class:  CNV_10520 - Conversion module of FI-CA FIKEY-logic 
Message number: 037
Message text: Started flagging &1 reconciliation keys in DFKKSUMC
Due to some restrictions following a merge of data by the conversion
package concerned reconciliation keys need to be flagged in DFKKSUMC as
adjusted by SLO. This job has &V1& reconciliation keys to flag.
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_10520037, which indicates that the system has started flagging reconciliation keys in the DFKKSUMC table, is typically related to data migration or conversion processes, particularly in the context of SAP S/4HANA migrations or similar projects.
Cause: Data Migration Issues: This error often arises during the data migration process when the system attempts to reconcile financial data. The reconciliation keys in the DFKKSUMC table are used to ensure that financial postings are correctly aligned and accounted for. Inconsistent Data: If there are inconsistencies or missing data in the source system that are being migrated, it can lead to issues when the system tries to flag reconciliation keys.
Configuration Issues: Incorrect configuration settings in the migration tools or in the financial modules can also lead to this error.
Solution: Check Migration Logs: Review the migration logs for any additional error messages or warnings that could provide more context about the issue. Data Consistency Check: Ensure
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