Message type: E = Error
Message class:  CNV_20211_CHECK - Messages for check functions (company conversion) 
Message number: 172
Message text: Ledger &1/activity &2 does not occur in all participating companies
Ledger &V1&/Activity &V2& 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 involved companies have equal
settings. Please contact your 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_CHECK172 indicates that there is an inconsistency in the configuration of ledgers or activities across different company codes in your SAP system. Specifically, it means that the specified ledger and activity combination is not uniformly defined across all participating companies in the system.
Cause: Inconsistent Configuration: The ledger and activity specified in the error message are not set up in the same way across all company codes. This could happen if: The ledger is defined in some company codes but not in others. The activity is not assigned to all relevant company codes. Data Migration Issues: If you are performing a data migration or system conversion, this error may arise if the configuration was not properly replicated across all company codes. Customizations: Custom configurations or modifications in specific company codes that do not align with the standard setup can also lead to this error.
Solution: To resolve this error, you can follow these steps: Check
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