Message type: E = Error
Message class:  CNV_20100 - Messageclass for chart of account conversion 
Message number: 326
Message text: Document splitting active at client level (method: &)
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The SAP error message CNV_20100326 indicates that document splitting is active at the client level, which can cause issues during data migration or conversion processes, particularly when using the SAP S/4HANA Migration Cockpit or other data migration tools.
Cause: The error typically arises when: Document splitting is enabled in the Financial Accounting (FI) module for the client you are working in. The migration process or the specific method being used does not support document splitting, or the configuration is not compatible with the migration activities.
Solution: To resolve this error, you can consider the following steps: Check Document Splitting Configuration: Go to the configuration settings in SAP and check if document splitting is indeed activated for the client. You can do this by navigating to SPRO > Financial Accounting > General Ledger Accounting > Document Splitting > Define Document Splitting. Disable Document Splitting (if applicable): If document splitting is not required for your migration or if it is causing issues, you
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