Message type: E = Error
Message class:  CNV_DMC_SIN - Messages for s-innovations migration 
Message number: 171
Message text: Serial number only allows quantity 1 for material '&1' and serialno '&2'
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The SAP error message CNV_DMC_SIN171 indicates that there is an issue with the handling of serial numbers for a specific material during a data migration or conversion process. This error typically arises when you are trying to process a material that is managed with serial numbers, but the system is expecting a quantity of 1 for that serial number.
Cause: Serial Number Management: The material in question is set up in SAP to require serial number management. This means that each unit of the material must be tracked individually by its serial number. Quantity Mismatch: The error occurs when an attempt is made to process a quantity greater than 1 for a material that is configured to allow only one unit per serial number. For example, if you are trying to post a quantity of 5 for a material that requires serial numbers, the system will throw this error because it cannot associate
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