Message type: E = Error
Message class:  CNV_20211_CHECK - Messages for check functions (company conversion) 
Message number: 112
Message text: FI-SL ledger &1 does not occur in all participating companies
FI-SL ledger &V1& does not occur in all participating companies.
Error
A company merge will lead to inconsistencies on special ledger level. A
company merge can be done only when all participating companies have the
same settings. We recommend that you engage the services of a special
ledger consultant in order to identify additional activities.
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_20211_CHECK112 indicates that there is an inconsistency in the configuration of the Financials (FI) Subledger (SL) ledger across different company codes in your SAP system. Specifically, it means that the specified ledger (denoted as &1 in the error message) is not consistently defined across all the participating company codes.
Cause: Inconsistent Ledger Configuration: The ledger specified in the error message is not activated or configured for all the company codes that are supposed to use it. This can happen if: The ledger was created after some company codes were already set up. Some company codes were not included in the ledger configuration. There were changes made to the ledger configuration that were not applied uniformly across all company codes. Data Migration Issues: If you are performing a data migration or system conversion (e.g., from a legacy system to SAP S/4HANA), this error may arise if the mapping of ledgers was not done
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