Message type: E = Error
Message class:  /SAPAPO/FOT -  
Message number: 405
Message text: Conversion factors from unit &1 to &2 are different in products &3 and &4
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The SAP error message /SAPAPO/FOT405 indicates that there is a discrepancy in the conversion factors between two products when trying to perform a function that involves unit of measure (UoM) conversion. This typically occurs in the context of Advanced Planning and Optimization (APO) when dealing with product master data.
Cause: The error arises when: Different Conversion Factors: The conversion factors for the same unit of measure between two products are not consistent. For example, if Product A has a conversion factor of 1.5 from unit X to Y, and Product B has a conversion factor of 2.0 from the same unit X to Y, this inconsistency will trigger the error. Master Data Issues: There may be issues in the product master data where the units of measure are not defined correctly or consistently across different products. Data Migration Issues: If data has been migrated from another system or if there have been recent changes in
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