Message type: E = Error
Message class:  FCO_SFIN - FI-CO Simplified Financials 
Message number: 149
Message text: Only Cost Component Structure &1 is allowed
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The SAP error message FCO_SFIN149, which states "Only Cost Component Structure &1 is allowed," typically occurs in the context of financial accounting and controlling when there is an issue with the cost component structure being used in a transaction or configuration.
Cause: This error usually arises due to one of the following reasons: Incorrect Cost Component Structure: The cost component structure being referenced in the transaction does not match the expected structure defined in the system. This can happen if the wrong structure is assigned to a controlling area or if the structure has been changed or deleted.
Configuration Issues: There may be a misconfiguration in the settings related to cost component structures in the controlling area or in the relevant financial documents. Data Inconsistency: There might be inconsistencies in the data where the cost component structure is not aligned with the expected settings for the specific transaction or process.
Solution: To resolve the FCO_SFIN149 error, you
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