Message type: E = Error
Message class:  CNV_40305 - Asset transfer postings due to a change of account determ. 
Message number: 052
Message text: Simulation is not possible as COA package is blended.
Since COA Package is also blended , the simulation feature will not be
feasible because it might so happen that the target G/L account is not
available.
Function is not allowed .
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_40305052 indicates that a simulation cannot be performed because the Chart of Accounts (COA) package is blended. This typically occurs in the context of data migration or conversion processes, particularly when using SAP's Conversion Tools or during the implementation of SAP S/4HANA.
Cause: The error arises when the system detects that the Chart of Accounts (COA) being used is a blended version, meaning it combines elements from multiple COAs or is not in a standard format expected by the simulation process. This can happen due to: Multiple COAs: The system is configured to use more than one COA, which can lead to inconsistencies. Improper Configuration: The COA may not be set up correctly in the system, leading to blending issues. Data Migration Issues: During data migration, if the COA is not properly mapped or if there are discrepancies in the data, it can lead to this error.
Solution: To resolve this error, you
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