Message type: E = Error
Message class:  FCO_SFIN - FI-CO Simplified Financials 
Message number: 091
Message text: Profile &3: Charts of accounts are different, saving not possible
Assigning controlling area &V1& to price differences splitting profile
&V3& or assigning company code &V2& to price differences splitting
profile &V3& is not possible because controlling area &V1& and company
code &V2& have different charts of accounts.
The system issues an error message and will not allow you to continue with this transaction until the error is resolved.
Adjust the assignment either from controlling area &V1& to price
differences splitting profile &V3& (Price Differences Splitting Profile)
or from company code &V2& to price differences splitting profile &V3&
(Company Code Settings).
Error message extract from SAP system. Copyright SAP SE.
The SAP error message FCO_SFIN091 indicates that there is a mismatch between the charts of accounts in the financial documents you are trying to save. This typically occurs when you are attempting to post a transaction that involves multiple company codes or accounts that are configured with different charts of accounts.
Cause: Different Charts of Accounts: The primary cause of this error is that the company codes involved in the transaction are assigned to different charts of accounts. Each company code can be assigned to a specific chart of accounts, and if the accounts being used in the transaction belong to different charts, SAP will not allow the transaction to be saved. Incorrect Configuration: There may be a configuration issue where the company codes or accounts are not set up correctly in the system. Data Entry Error: Sometimes, the error can be caused by incorrect data entry, where the wrong account or company code
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