Message type: E = Error
Message class:  CNV_PE_S4 - Messages for Posting Engine S/4 Content 
Message number: 105
Message text: Errors when computing period for company code &1 and posting date &2
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The SAP error message CNV_PE_S4105 typically occurs during the data migration process, particularly when using the SAP S/4HANA Migration Cockpit or similar tools. This error indicates that there is an issue with the computation of the posting period for a specific company code and posting date.
Cause: Invalid Posting Period: The posting date provided may fall outside of the allowed posting periods for the specified company code. This can happen if the period is closed or if the fiscal year variant does not allow postings for that date.
Configuration Issues: There may be configuration issues in the fiscal year variant or the posting periods for the company code. Data Migration Issues: If you are migrating data, the source data may have inconsistencies or errors that lead to invalid posting dates or periods.
Solution: Check Posting Periods: Go to the transaction code OB52 to check the open and closed posting periods for the company code in question. Ensure
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