Message type: E = Error
Message class:  CNV_20211_CHECK - Messages for check functions (company conversion) 
Message number: 170
Message text: Ledger &1/activity &2: diff. settinngs and not in all particip. companies
Ledger &V1& / activity &V2& has different settings in the participating
companies and does not exist in all participating companies.
Error
A company merge will lead to inconsistencies at special ledger level. A
company merge can be done only if 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_CHECK170 typically occurs during the data migration process, particularly when using the SAP S/4HANA Migration Cockpit or other data migration tools. This error indicates that there are inconsistent settings for the ledger or activity in the participating companies. Here’s a breakdown of the cause, potential solutions, and related information:
Cause: Inconsistent Ledger Settings: The error suggests that the ledger settings for the specified ledger (&1) and activity (&2) are not uniform across all participating company codes. This can happen if: Some company codes are configured to use a different ledger. The activity is not assigned to all company codes. There are differences in the configuration of the ledger (e.g., different currencies, fiscal year variants). Data Migration Issues: During the migration process, if the system detects that the ledger or activity settings are not consistent across the participating companies, it raises this error to prevent data integrity issues.
Solution: Check Ledger Configuration: Go to the SAP
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