Message type: E = Error
Message class:  CNV_20100 - Messageclass for chart of account conversion 
Message number: 348
Message text: Fin. statemt vers &1: From-/to-acct &2 &3 is no existing G/L account
When checking the financial statement version for conversion, the system
found that debit/credit position &V4& of financial statement version
&V1& contains the entry &V2& &V3&.
Neither this entry is an existing G/L account, nor  it is changed
according to the mapping ('further accounts').
Consequently, it will remain unchanged in this financial statement
version.
If required, adjust this financial statement version manually after the
conversion.
Error message extract from SAP system. Copyright SAP SE.
The SAP error message CNV_20100348 indicates that during a financial statement conversion or migration process, the system has encountered an issue where a specified general ledger (G/L) account does not exist. This error typically arises in the context of data migration or conversion projects, particularly when using SAP's tools for migrating financial data from legacy systems to SAP S/4HANA or other SAP environments.
Cause: Missing G/L Accounts: The specified G/L account in the error message does not exist in the target SAP system. This could be due to: The account not being created in the new system. Incorrect mapping of accounts during the migration process. Typographical errors in the account numbers or names.
Configuration Issues: The financial statement version may not be correctly configured to reference the existing G/L accounts. Data Migration Issues: If the data migration process did not include all necessary accounts or if there were issues during the data extraction from the legacy system,
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